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AP® Calculus AB-BC

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Moderate

Evaluating with $u$-Substitution

APCALC-JNLDXA

Evaluate the definite integral, $\int_{1}^{2}x\left ( x^{2}+1 \right )^{2}dx$.

A

$\cfrac{7}{6}$

B

$\cfrac{7}{3}$

C

$\cfrac{39}{2}$

D

$39$