$\int_0^{\pi / 4} x^2 \sin 2 x d x=$

• A

  $\frac{\pi^2-2}{8}$
• B

  $\frac{\pi(\pi-2)}{8}$
• Correct answer
  C

  $\frac{\pi-2}{8}$
• D

  $\frac{\pi+2}{8}$

Hence, the correct answer is option: 'C'.