Question

a^2b^2-a^2-b^2+1 factirise​

Answer 1

Answer:

a²b² - a² - b² +1

ab (ab - a - b ) +1

Answer 2

Step-by-step explanation:

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

ab[ab-(a+b)(a-b)+1] is your answer.