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What are the absolute extrema of #f(x)=(sinx) / (xe^x) in[ln5,ln30]#?

How do you find the derivative of # y=sin^2x cos^2x#?

What is #cotthetacostheta# in terms of #sintheta#?

What is #int_(1)^(4) x^4x^3+sqrt(x1)/x^2 dx #?

What are the points of inflection, if any, of #f(x)=e^(2x)  e^x
#?

How do you find a power series representation for #(arctan(x))/(x) # and what is the radius of convergence?

How do you write a polynomial with function of minimum degree in standard form with real coefficients whose zeros include 3,4, and 2i?

How do you solve #log(x+3)+log(x3)=log27#?

What are some sample matrix multiplication problems?

Question #047be

What does #3sin(arccos(2))cos(arc cos(3))# equal?

How do you find #int (x+1)/(x(x^21)) dx# using partial fractions?

What is #cos^2theta# in terms of nonexponential trigonometric functions?

How do you factor #2x^42x^240#?