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7.2 definite integral — Maths STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceMaths7.2 definite integral1 Mark
MCQ
$\int_0^\pi {|\cos x|\,dx = } $
  • A
    $\pi $
  • B
    $0$
  • ✓
    $2$
  • D
    $1$
✓

Answer

Correct option: C.
$2$
c
(c) $\int_0^\pi {\,\,|\cos x|} \,dx = 2\int_0^{\pi /2} {|\cos x|dx  = 2[\sin x]_0^{\pi /2} = 2} $.

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