Question

Area bounded by the curve y=x sinx and x-axis between x=0 and x=2$\pi$ is

• A. 2π
• B. 3π
• C. 4π
• D. None of these

Answer 1

Answer: (C)

4π

Answer 2

y = x sin x is positive for 0<x<π and negative for π x<2π.

$\therefore$ Required area

$= \pi + 3 \pi = 4 \pi$