Math, asked by noob0071, 3 months ago

If a^2-3a-1=0,find the value of a^2+1/a^2 .

Answers

Answered by kasiraman0509

0

a²-3a +1 = 0

a+1/a =3

(a+1/a)² =9

a²+ 1/a²+2 =9

a²+1/a² =7

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