Q9 of 31 Page 7

Find:   [CBSE 2018]



We know that,


S0,


Hence,

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7

Find:  [CBSE 2017]

 8

Evaluate .  [CBSE 2018]

 10

Evaluate:   [CBSE 2011]

 11

Evaluate the following integral:

  [CBSE 2011]