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(1 - (1)/(2^(2))) (1 - (1)/(3^(2)))(1 - ...

`(1 - (1)/(2^(2))) (1 - (1)/(3^(2)))(1 - (1)/(4^(2)))....(1 - (1)/(90^(2)))= ?`

A

`(180)/(91)`

B

`(90)/(91)`

C

`(91)/(180)`

D

`(91)/(90)`

लिखित उत्तर

Verified by Experts

The correct Answer is:
C
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