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If x^4+1/x^4=257/16, then find 8/13(x^3 ...

If `x^4+1/x^4=257/16`, then find `8/13(x^3 +1/x^3)`, where x > 0.

A

5

B

8

C

4

D

6

Text Solution

Verified by Experts

The correct Answer is:
A
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