Question

x-1/x=4 find the value of x^2+1/x^2​

Answer 1

Hope it helps !!!!!

Step-by-step explanation:

x-1/x=4 ;    (x-1/x)^2=x^2 + 1/x^2 - 2x.1/x = x^2 + 1/x^2 - 2

So,

since x-1/x = 4,

Therefore,

(x-1/x)^2 = 4^2 = 16 = x^2 + 1/x^2 -2

So,

x^2 + 1/x^2 = 16 + 2 = 18.

Answer 2

Answer:

18

Step-by-step explanation:

thanks for point.........