Zol Tun Kul
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 Dec 14 asked What is the exact role of the integrals in a PID Controller? Dec 8 asked Solving $\int \left ( \frac{5x^2+3x-2}{x^3+2x^2} \right )$ via partial fractions Dec 6 asked Solving $\int \frac{1}{2x^2+3x+2}dx$ with partial fractions Nov 15 asked How can I calculate the coordinates of the two extremes of a line when it is rotated? Nov 10 asked Help understanding oblique asymptotes for $f(x) = 2x^3+3x^2-12x$ Nov 10 asked Using L'Hopital to solve $\lim_{x\to +\infty}\frac{\frac{-1}{x^2}}{\sin^2\left(\frac{2}{x}\right)}$ Nov 9 asked Solving $\lim_{x\to-\infty}x^2\cdot e^x$ with L'Hopital Nov 9 asked Applying L'Hopital on $\lim_{x\to1^+}\left( \frac{1}{\ln(x)} - \frac{1}{x - 1} \right)$ Nov 9 asked Getting the rate of change of a rectangle's base if its top-right corner is defined as $y = 2^x$ Nov 9 asked Related rates: using angle to find rate of change of opposite side Nov 9 asked Related rates: derivative of the function $A = \frac{x\cdot y}{2}$ Nov 9 asked Help understand related rates problem: calculating the derivative of the distance function Nov 8 asked Find the equations to the normal lines of a curve where $x = 4$. Nov 8 asked Finding the equation of the tangent line for the curve $f(x)=x^2+\frac{2}{x}$ parallel to $3y-2x=5$ Nov 6 asked Calculating the derivative of $\csc^2(4x)$ Nov 6 asked Calculating a simpler derivative for $\frac{1+\cot x}{2- \sec x}$ Nov 3 asked Calculate the derivative of the product of three functions $e^x\cdot \ln(x) \cdot \cot x$ Nov 3 asked The derivative of $-e^{\sqrt{2}\cdot x}\cdot 5x^3$ Oct 13 asked Differentiating $\sqrt{x}+\sqrt{x^3}+\sqrt[3]{x^2}$ Oct 1 asked Doing $\lim_{x\to0}\frac{\sin x - \tan x}{x^2\cdot\sin 2x}$ without L'Hopital