Question

x+1 /x =4 then x square 1/x"square​

Answer 1

equation)

If x+(1/x)=4, x2+(1/x2)x2+(1/x2)=?

x + 1/x = 4

Squaring both sides,

(x+1/x)2=42(x+1/x)2=42

or x2+(1/x2)+2=16x2+(1/x2)+2=16

or x2+(1/x2)=14