Question

If x+ 1/x = 4 calculate x^2 + 1/x^2

Answer 1

Answer:

x+1/x=4

Squaring both sides

x^2+2+1/x^2=16

x^2+1/x^2=16-2

x^2+1/x^2=14

The answer is 14.

Hope it helps you

Answer 2

Answer:

Hope this is helpful for you