Question

a²b²+b²+a²+1 factorise​

Answer 1

Answer:

${a}^{2} {b}^{2} + {b}^{2} + {a}^{2} + 1 \\ = {b}^{2} ( {a}^{2} + 1) + 1( {a}^{2} + 1) \\ = ( {a}^{2} + 1)( {b}^{2} + 1)$

It's your answer..

Answer 2

Step-by-step explanation:

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