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If 3x+2/x=7, then (9x^2-4/(x^2))= 25 (b...

If `3x+2/x=7,` then `(9x^2-4/(x^2))=` 25 (b) 35 (c) 49 (d) 30

A

`25`

B

`35`

C

`49`

D

`30`

Text Solution

Verified by Experts

The correct Answer is:
B
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