Answer to Question #187531 in Math for kris

Question #187531

Integrate the following

A) 3x + 21x²

B) x³-1

∫³₂ -------- dx

x²

Expert's answer

A) "\\int(3x+21x^2)dx=\\frac{3}{2}x^2+7x^3+C."

B) "\\int_{2}^3\\frac{x^3-1}{x^2}dx=\\int_{2}^3(x-x^{-2})dx=(\\frac{1}{2}x^2+\\frac{1}{x})|_{x=2}^{x=3}=\\frac{7}{3}."

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