Question

Which of the following is the value of(x+ 1/x)^2?

I.x^2+ 1/x^2

II.x^2-1/x^2

III.x^2+ 1/x^2+ 2

IV.x^2+ 1/x^2+ 2x​

Answer 1

Answer:

none of the above

it is x^2 +1+2x/x^2

Answer 2

Answer:

Correct Option is :

III. .x^2+ 1/x^2+ 2

Explanation :

Refer the attached picture.