Math, asked by reenalucknow2015, 8 months ago

If a -1/a =4, find the value of a² + 1/a²

Answers

Answered by rajdheerajcreddy

3

Answer is given in the pic.

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Answered by sanjevpatel52823

1

Answer:

(a -1/a)²=4²

a²+1/a²-2a1/a=16

a²+1/a²=16+2

a²+1/a²=18

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