NDA Math Definite Integrals

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For the next four (4) items that follow :
Consider the integral Im=
Ï€
∫
0
sin2mx
sinx
d
x

where m is a positive integer.
[NDA I 2015]
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Question : 51 of 62
 
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Consider the following:
1. Im−Im−1 is equal to.
2. I2m>Im
Which of the above is/are correct
[NDA I 2015]
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