Question

Factorise : x^2 +1/x^2 - 6 ​

Answer 1

Step-by-step explanation:

$x^{2} + \frac{1}{x^{2} } - 6$

= $(x + \frac{1}{x} )^{2} -2-6$

= $(x+\frac{1}{x})^{2}-8$

=$(x+\frac{1}{x}-8)(x+ \frac{1}{x}+8)$