Question

Find the value of
a2 +1/a2 when a+1/a = 2

Answer 1

Answer:

Given,

a+1/a=2

squaring on both sides

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

a^2+1/a^2+2a(1/a)=4

a^2+1/a^2=4-2

a^2+1/a^2=2

Hope it helps you!!!!!