Question

Please try to answer 3rd question

Answer 1

here is your answer
please lIle it

Answer 2

We have x-1/x=1/2
So, x^2+1/x^2=(x-1/x)^2+2.x.1/x
=1/4+2=9/4
Now 4x^2+4/x^2=4(x^2+1/x^2)=4×9/4=9