Question

X - 1/x =2 ho to x2-1/x2 ha to Maan yaat kijiye. ​

Answer 1

Answer:

x-1/x=2

then x²-1/x²=?

according to question

(x-1/x)²=3

x²+(1/x)²-2.x.1/x=3

x²-1/x²-2=3

x²-1/x²=3+2

x²-1/x²=5