Answers edited by Collin C.

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How do you find the length of the polar curve $r = 5^{θ}$ $r=5^theta$ ?
What is the equation of the tangent line of $f (x) = (x - 3) (x - 2) (ln x - x)$ $f(x)=(x-3)(x-2)(lnx-x)$ at $x = 2$ $x=2$ ?
How do I find the integral $\int \frac{x - 9}{(x + 5) (x - 2)} d x$ $int(x-9)/((x+5)(x-2))dx$ ?
What is the derivative of ${\sqrt{x}}^{2}$ $sqrt x^2$ ?
How do you find the derivative of $y = cos (x)$ $y=cos(x)$ from first principle?
How do you find a one sided limit for an absolute value function?
How do you find $\frac{d y}{d x}$ $dy/dx$ for the curve $x = t \cdot sin (t)$ $x=t*sin(t)$ , $y = t^{2} + 2$ $y=t^2+2$ ?
How do you use integration by parts to establish the reduction formula $\int {(ln (x))}^{n} d x = x {(ln (x))}^{n} - n \int {(ln (x))}^{n - 1} d x$ $int(ln(x))^n dx = x(ln(x))^n-nint(ln(x))^(n-1)dx$ ?
How do you use the Nth term test on the infinite series $\infty \sum n = 2 \frac{n}{ln (n)}$ $sum_(n=2)^oon/ln(n)$ ?
How do I find the integral $\int (x^{2} \cdot sin (π x)) d x$ $int(x^2*sin(pix))dx$ ?
How do you find the limit $lim_(x->0^-)|x|/x$ ?
How do I work out $intcot(x)dx$ by substitution?
What is the derivative of $y=sec^2(x) + tan^2(x)$ ?
Using the limit definition, how do you find the derivative of $f(x) =sqrt (x+1)$ ?
What is the binomial expansion of $(x + 2y)^7$ ?