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intx^6sin(5x^7)dx=k/5cos(5x^7)+c ,then k...

`intx^6sin(5x^7)dx=k/5cos(5x^7)+c` ,then k=

A

`k=7`

B

`k=-7`

C

`k=(1)/(7)`

D

`k=-(1)/(7)`

Text Solution

Verified by Experts

The correct Answer is:
D
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