Question

If a+1/a= 2 then find the value of a^2+1/a^2

Answer 1

a+1/a=2

or a+1=2a

or a=2a-1

or a^2=(2a-1)^2

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

now,

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

or.............. solve it