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Question
10π0|sin x|dx is
Options:
A .  20
B .  8
C .  10
D .  18
Answer: Option A
:
A
10π0|sinx|dx=10π0|sinx|dx
|sinx|is positive in I & II quadrant and has period π
=10π0sinxdx=10[cosx]x0=20

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