Math, asked by anubhav3185, 6 months ago

factorise a^2b^2-a^2- b^2+1

Answers

Answered by suzanejazinth

2

Answer:

a²b²-a²-b²+1

= a²(b²-1)-1(b²-1) = (a²-1)(b²-1)

a²-b² = (a+b)(a-b)

(a²-1)(b²-1) = (a+1)(a-1)(b+1)(b-1)

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