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If a is a positive integer, then the num...

If a is a positive integer, then the number of values of a satisfying
`int_0^(pi/2){a^2((cos3x)/4+3/4cosx)+asinx-20cosx}dx<=a^2/3` is:

A

(a) `1`

B

(b) 2

C

(c) 7

D

(d) 4

Text Solution

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The correct Answer is:
D
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