# Recent questions tagged solve

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Determine $\frac{\mathrm{d} y}{\mathrm{~d} x}$ if $y=\left(x^{2}+\frac{1}{x^{2}}\right)^{2}$
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Determine $\frac{\mathrm{d} y}{\mathrm{~d} x}$ if $y=\left(x^{2}+\frac{1}{x^{2}}\right)^{2}$Determine $\frac{\mathrm{d} y}{\mathrm{~d} x}$ if \ y=\left(x^{2}+\frac{1}{x^{2}}\right)^{2} \ ...
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Differentiate the function $m=\frac{3}{2} n^{4}-1$
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Differentiate the function $m=\frac{3}{2} n^{4}-1$Differentiate the function $m=\frac{3}{2} n^{4}-1$ ...
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Which of the following operations over a system of linear equations could change the solution set?
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Which of the following operations over a system of linear equations could change the solution set?Which of the following operations over a system of linear equations could change the solution set? A) interchanging two equations B) removing an equ ...
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Solve the system $$\left\{\begin{array}{l} 4 x_{1}+2 x_{2}+3 x_{3}+4 x_{4}=0 \\ x_{1}+x_{3}+2 x_{4}=1 \\ x_{1}-x_{2}+x_{3}=1 \\ -3 x_{1}-2 x_{2}-2 x_{3}-2 x_{4}=1 \end{array}\right.$$Solve the system $$\left\{\begin{array}{l} 4 x_{1}+2 x_{2}+3 x_{3}+4 x_{4}=0 \\ x_{1}+x_{3}+2 x_{4}=1 \\ x_{1}-x_{2}+x_{3}=1 \\ -3 x_{1}-2 x_{2}-2 x_ ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Solve the system$$ \begin{gathered} 4 x_{1}+2 x_{3}=4 \\ 3 x_{1}-2 x_{4}=0 \\ 2 x_{1}+x_{2}+x_{4}=1 \end{gathered} $$0 answers 2 views Solve the system$$ \begin{gathered} 4 x_{1}+2 x_{3}=4 \\ 3 x_{1}-2 x_{4}=0 \\ 2 x_{1}+x_{2}+x_{4}=1 \end{gathered} $$Solve the system$$ \begin{gathered} 4 x_{1}+2 x_{3}=4 \\ 3 x_{1}-2 x_{4}=0 \\ 2 x_{1}+x_{2}+x_{4}=1 \end{gathered}  ...
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What is the most suitable substitution to use to solve the integral $\int \frac{1}{\sqrt{t^{2}-81}} d t ?$
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What is the most suitable substitution to use to solve the integral $\int \frac{1}{\sqrt{t^{2}-81}} d t ?$What is the most suitable substitution to use to solve the integral $\int \frac{1}{\sqrt{t^{2}-81}} d t ?$ &nbsp; A) $t=9 \sec \theta$. &nbsp; B) ...
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The derivative with respect to $x$ of $\int_{\frac{\pi}{7}}^{x} e^{t^{2}} \operatorname{cosec}(t) d t$ is
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The derivative with respect to $x$ of $\int_{\frac{\pi}{7}}^{x} e^{t^{2}} \operatorname{cosec}(t) d t$ isThe derivative with respect to $x$ of $\int_{\frac{\pi}{7}}^{x} e^{t^{2}} \operatorname{cosec}(t) d t$ is &nbsp; A) $e^{x^{2}} \operatorname{cosec}( ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Solve$\cos x \frac{d y}{d x}=1+y \sin x$(where$\left.-\frac{\pi}{2}<x<\frac{\pi}{2}\right)$explicitly. 0 answers 5 views Solve$\cos x \frac{d y}{d x}=1+y \sin x$(where$\left.-\frac{\pi}{2}<x<\frac{\pi}{2}\right)$explicitly.Solve &nbsp;$\cos x \frac{d y}{d x}=1+y \sin x$where$ \left(-\frac{\pi}{2}&lt;x&lt;\frac{\pi}{2} \right) $explicitly. ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Solve the differential equation$\dot{y}=2 t(25-y)$. 1 answer 4 views Solve the differential equation$\dot{y}=2 t(25-y)$.Solve the differential equation$\dot{y}=2 t(25-y)$. ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Solve$\dot{y}=1 /\left(1+t^{2}\right)$0 answers 5 views Solve$\dot{y}=1 /\left(1+t^{2}\right)$Solve$\dot{y}=1 /\left(1+t^{2}\right)$... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Solve the initial value problem$\dot{y}=t^{n}$with$y(0)=1$and$n \geq 0$. 0 answers 6 views Solve the initial value problem$\dot{y}=t^{n}$with$y(0)=1$and$n \geq 0$.Solve the initial value problem$\dot{y}=t^{n}$with$y(0)=1$and$n \geq 0$. ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Solve$\dot{y}=\ln t$0 answers 4 views Solve$\dot{y}=\ln t$Solve$\dot{y}=\ln t$... close 0 answers 12 views Find a non-constant solution of the initial value problem$\dot{y}=y^{1 / 3}, y(0)=0$, using separation of variables. Note that the constant function$y(t)=0$also solves the initial value problem.Find a non-constant solution of the initial value problem$\dot{y}=y^{1 / 3}, y(0)=0$, using separation of variables. Note that the constant function ... close 0 answers 3 views A radioactive substance obeys the equation$\dot{y}=k y$where$k<0$and$y$is the mass of the substance at time$t$. Suppose that initially, the mass of the substance is$y(0)=M>0 .$A radioactive substance obeys the equation$\dot{y}=k y$where$k&lt;0$and$y$is the mass of the substance at time$t$. Suppose that initially, the ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Solve the initial value problems$\dot{y}+y \cos t=0, y(0)=1 / 2$and$y(2)=1 / 2$. 1 answer 6 views Solve the initial value problems$\dot{y}+y \cos t=0, y(0)=1 / 2$and$y(2)=1 / 2$. Solve the initial value problems$\dot{y}+y \cos t=0, y(0)=1 / 2$and$y(2)=1 / 2$. ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Solve the initial value problem$t \dot{y}+3 y=0, y(1)=2$, assuming$t>0$. 1 answer 3 views Solve the initial value problem$t \dot{y}+3 y=0, y(1)=2$, assuming$t>0$. Solve the initial value problem$t \dot{y}+3 y=0, y(1)=2$, assuming$t&gt;0$. ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 A radioactive element decays with a half-life of 6 years. If a block of the element has mass 10 kilograms at$t=0$, find the amount of the element at time$t .$0 answers 6 views A radioactive element decays with a half-life of 6 years. If a block of the element has mass 10 kilograms at$t=0$, find the amount of the element at time$t .$A radioactive element decays with a half-life of 6 years. If a block of the element has mass 10 kilograms at$t=0\$, find the amount of the element at ...
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Solve $\dfrac{x+1}{x^{2}-5 x+6}=\dfrac{x-1}{x^{2}+x-12}$
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Solve $\dfrac{x+1}{x^{2}-5 x+6}=\dfrac{x-1}{x^{2}+x-12}$Solve $\dfrac{x+1}{x^{2}-5 x+6}=\dfrac{x-1}{x^{2}+x-12}$ ...
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Solve $\dfrac{x}{x-1}+1=\dfrac{x-2}{2 x}$
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Solve $\dfrac{x}{x-1}+1=\dfrac{x-2}{2 x}$Solve $\dfrac{x}{x-1}+1=\dfrac{x-2}{2 x}$ ...
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Solve $\dfrac{1}{x-8}-\dfrac{1}{x-3}=\dfrac{1}{x-7}-\dfrac{1}{x-2}$
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Solve $\dfrac{1}{x-8}-\dfrac{1}{x-3}=\dfrac{1}{x-7}-\dfrac{1}{x-2}$Solve $\dfrac{1}{x-8}-\dfrac{1}{x-3}=\dfrac{1}{x-7}-\dfrac{1}{x-2}$ ...
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How do I express $\dfrac{2}{x+1}+\dfrac{x}{x^{2}+1}$ as a single fraction?
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How do I express $\dfrac{2}{x+1}+\dfrac{x}{x^{2}+1}$ as a single fraction?How do I express $\dfrac{2}{x+1}+\dfrac{x}{x^{2}+1}$ as a single fraction? ...
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Solve the equation: $5(2-3x)+3(5x-2)-7(4-x)=0$
1 answer 3 views
Solve the equation: $5(2-3x)+3(5x-2)-7(4-x)=0$Solve the equation: $5(2-3x)+3(5x-2)-7(4-x)=0$ ...
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What is the mathematical definition of "Compound decay or depreciation"?
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What is the mathematical definition of "Compound decay or depreciation"?What is the mathematical definition of &quot;Compound decay or depreciation&quot;? ...
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Given the series: $3(2 x-3)^{2}+3(2 x-2)^{3}+3(2 x-3)^{4}+\cdots .$ for which vakues of $x$ will the series converge?
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Given the series: $3(2 x-3)^{2}+3(2 x-2)^{3}+3(2 x-3)^{4}+\cdots .$ for which vakues of $x$ will the series converge?Given the series: $3(2 x-3)^{2}+3(2 x-2)^{3}+3(2 x-3)^{4}+\cdots .$ for which vakues of $x$ will the series converge? ...
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Solve the equation $4 y^{2}-12 y+9=0$
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Solve the equation $4 y^{2}-12 y+9=0$Solve the equation $4 y^{2}-12 y+9=0$ ...
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