(1)/(6!) + (1)/(7!) = (x)/(7!) then x=?...

`(1)/(6!) + (1)/(7!) = (x)/(7!)` then `x=?`

A

`9`

B

`8`

C

`7`

D

`6`

लिखित उत्तर

Verified by Experts

The correct Answer is:

B

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