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0leale3,0leble3 and the equation x^(2)+4...

`0leale3,0leble3` and the equation `x^(2)+4+3cos(ax+b)=2x` has atleast one solution then the value of `a+b`

A

`pi//2`

B

`pi//4`

C

`pi//3`

D

`pi`

Text Solution

Verified by Experts

The correct Answer is:
D
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