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If x^(2)-x+1=0 then the value of sum(n=...

If `x^(2)-x+1=0` then the value of `sum_(n=1)^(5)(x^(n)+(1)/(x^(n)))^(2)` is

A

10

B

8

C

6

D

4

Text Solution

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The correct Answer is:
B
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HIMALAYA PUBLICATION-COMPLEX NUMBERS-QUESTION BANK
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