1.

Find the area of a function f(x) = x2 + xCos(x) from x = 0 to a, where, a>0.

A. <sup>a<sup>2</sup></sup> <sub>2</sub> + aSin(a) + Cos(a) 1
B. <sup>a<sup>3</sup></sup> <sub>3</sub> + aSin(a) + Cos(a)
C. <sup>a<sup>3</sup></sup> <sub>3</sub> + aSin(a) + Cos(a) 1
D. <sup>a<sup>3</sup></sup> <sub>3</sub> + Cos(a) + Sin(a) 1
Answer» D. <sup>a<sup>3</sup></sup> <sub>3</sub> + Cos(a) + Sin(a) 1


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