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यदि x + (1)/(x) = 7 तो x^(3) + (1)/( x^...

यदि `x + (1)/(x) = 7` तो `x^(3) + (1)/( x^3)` बराबर है:

A

364

B

385

C

343

D

322

लिखित उत्तर

Verified by Experts

The correct Answer is:
D
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