CBSE

MATHEMATICS · Single correct · CBSE · Mathematics · Integrals · Integrals

Problem

Evaluate ∫x4ex dx\displaystyle \int x^{4}e^{x}\,dx. (a) ex(x4−4x3+12x2−24x)+Ce^{x}\bigl(x^{4}-4x^{3}+12x^{2}-24x\bigr)+C (b) ex(x4−5x3+20x2−60x+120)+Ce^{x}\bigl(x^{4}-5x^{3}+20x^{2}-60x+120\bigr)+C (c) ex(x4−4x3+12x2−24x+24)+Ce^{x}\bigl(x^{4}-4x^{3}+12x^{2}-24x+24\bigr)+C (d) ex(x4−4x3+12x2+24x−24)+Ce^{x}\bigl(x^{4}-4x^{3}+12x^{2}+24x-24\bigr)+C

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