If (cosx)/a=(sinx)/b holds then expressi...

If `(cosx)/a=(sinx)/b` holds then expression `|a cos2x+bsin2x|` is equal to

A

`sqrt(a^3 b)`

B

`(a^2)/(|b|)`

C

`(b^2)/(|a|)`

D

`|a|`

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The correct Answer is:

D

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