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यदि `(x-1/x)^(2)=3` तो `x^(6)+1/(x^(6))` का मान निकालेंA. 90B. 10C. 100D. 120 |
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Answer» Correct Answer - B `(x-1/x)^(2)=3` `x-1/x=sqrt(3)` `x-1/x=sqrt(3)` Now `x^(2)+1/(x^(2))=(sqrt(3))^(2)+2` `x^(2)+1/x=5` again `(x^(2))^(3)+(1/(x^(2)))^(3)=(5)^(3)-3xx5` `x^(6)+1/(x^(6)=125-15)=110` |
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