Question

x^4+1/x^4+2
factorise it immediately​

Answer 1

Answer:

( x² + 1/x² )²

Step-by-step explanation:

writing ($x^{4}$ + $1/x^{4}$ + 2) as $x^{4}$ + $1/x^{4}$ + 2.x².1/x² [since x².1/x² = 1]

so it will resemble like a² + b² + 2ab ; where a= x² and b= 1/x²

so answer will be (a+b)² i.e. ( x² + 1/x² )²