In the Maclaurin series of

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

Problem

In the Maclaurin series of cos⁡x1+x2\dfrac{\cos x}{1+x^{2}}, what is the coefficient of x4x^{4}? (a) 2524\dfrac{25}{24} (b) 1324\dfrac{13}{24} (c) 3724\dfrac{37}{24} (d) 1312\dfrac{13}{12}

Related theory

Browse the problem library