I10=int0^(pi/2)x^(10)sinx dx then I10+90...

`I_10=int_0^(pi/2)x^(10)sinx dx` then `I_10+90I_8` is

A

`10((pi)/2)^(6)`

B

`10((pi)/2)^(9)`

C

`10((pi)/2)^(7)`

D

None of these

Verified by Experts

The correct Answer is:

B

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