Question

Factorize:- x^2+1/x^2-4-y^2-1/y^2​

Answer 1

Answer:

{(x)^2+(1/x)^2-2}-{(y)^2+(1/y)^2+2}

(x)^2 +(1/x)^2-2.(x).(1/x)- {(y)^2+(1/y)^2 +2(y).(1/y)}

{x-(1/x)}^2-{y+(1/y)^2}

={x-(1/x)+y+(1/y)}{x-(1/x)- y-(1/y)} Ans