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Period of cos "" (3x)/(5) + 2 sin"" (2x)...

Period of `cos "" (3x)/(5) + 2 sin"" (2x)/( 7) - 5 cot 14 x` is

A

`7pi`

B

`14pi`

C

`28pi`

D

`70pi`

Text Solution

Verified by Experts

The correct Answer is:
D
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