Question

please solve this question about identies class 8​

Answer 1

Yo

given problem is

x²+1/x²=3

subtracting 2 from both sides we get

x²+1/x²-2=3-2

(x-1/x)²=1 (by applying (a+b)²=a²+b²-2ab formula)

x-1/x=±1

Hope this helps