Question

13. If x+1/x =11 then find the value of x-1/x​

Answer 1

Answer:

Step-by-step explanation:

x+1/x=11

Squaring both sides

x²+1/x²+2=121

x²+1/x²=119

x²+1/x²-2=119-2

(x-1/x)²=117

x-1/x=3√13