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Evaluate \(\int_{1}^{2} [\frac{x^{3} - 1}{x^{2}}] \mathrm {d...

Evaluate 21[x31x2]dx

A.

0.5

B.

1.0

C.

1.5

D.

2.0

Correct answer is B

x31x2x1x2=xx2

21(xx2)dx=(x22+1x)|21

= (222+12)(122+11)

= (2+12)(12+1)

= 212112

= 1.0