Math, asked by tigerasad1235, 1 month ago

a+1/a=9:-a²+1/a²=79
what is the ans

Answers

Answered by souvik2229

0

Step-by-step explanation:

a²+1/a² = 79

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Answered by RealSweetie

1

a+1/a=9

a²+1/a²

=(a+1/a)²-2(a+1/a)

=(9)²-2

=81-2

=79

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