The Maclaurin series for is

MATHEMATICS · Single correct · AP · Calculus BC · Infinite Sequences and Series · Infinite Sequences and Series

Problem

The Maclaurin series for ex2e^{x^{2}} is ∑k=0∞x2kk!\displaystyle\sum_{k=0}^{\infty}\dfrac{x^{2k}}{k!}. Let h(x)=∫0xet2 dth(x)=\displaystyle\int_{0}^{x} e^{t^{2}}\,dt. What is the coefficient of x5x^{5} in the Maclaurin series for h(x)h(x)? (a) 18\dfrac{1}{8} (b) 110\dfrac{1}{10} (c) 15\dfrac{1}{5} (d) 120\dfrac{1}{20}

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