The value of

MATHEMATICS · Single correct · AP · Calculus AB · Integration and Accumulation of Change · Integration and Accumulation of Change

Problem

The value of

\int \frac{d(x^2+1)}{\sqrt{x^2+2}}

, is (1)

2\sqrt{x^2+2}+C

(2)

\sqrt{x^2+2}+C

(3)

x\sqrt{x^2+2}+C

(4) None of these