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e^(7x)-e^(-7x)=...

`e^(7x)-e^(-7x)=`

A

`1 + (7x)/(2!) +((7x)^2)/(2!) +......`

B

`1 + ((7x^2))/(2!) +((7x)^4)/(4!) +......`

C

`2(1 + ((7x^2))/(2!) +((7x)^4)/(4!) +......)`

D

`2(1 + (7x)/(1!) + ((7x^3))/(3!) +((7x)^5)/(5!) +......)`

Text Solution

Verified by Experts

The correct Answer is:
D
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