a^2 b^2-a^2-b^2+1 factorize
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Answer:
b²-1 and a²-1 are factors
Step-by-step explanation:
a²b²-a²-b²+1
=(a²b²-a²)-(b²-1)
=a²(b²-1)-(b²-1)
=(a²-1)(b²-1)
factors are (a²-1)(b²-1)
a=1,-1 and b=1,-1
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