Math, asked by Amit2254, 11 months ago

If y-1/y=7 then evalute y^4+1/y^4

Answers

Answered by sandy1816

1

Step-by-step explanation:

y-1/y=7

(y-1/y)²=49

y²+1/y²-2=49

y²+1/y²=51

(y²+1/y²)²=2601

y⁴+1/y⁴+2=2601

y⁴+1/y⁴=2599

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