Question

a-1/a=5 then what is a^2+1/a^2​

Answer 1

Answer:

abhi178

Genius

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a - 1/a =5

take squaring both side

(a - 1/a )^2 = (5)^2

a^2 +1/a^2 -2.a.1/a =25

a^2+1/a^2 -2 =25

a^2+1/a^2 =27 (answer)

Answer 2

Answer:

27

Step-by-step explanation:

we will do squaring on both sides then by formula of (a-b)² we will find our answer