Question

X-1/X=3 what is value of X+1÷X

Answer 1

Answer:

x-1/x=3

Squaring both side

(x-1/x)^2=9

x^2+1/x^2-2=9

x^2+1/x^2=11

Add both side 2

x^2+1/x^2+2=11+2

So,

x+1/x=root of (13)