Question

factorise a²b²+²c³+³-1​

Answer 1

Answer:

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Step-by-step explanation:

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

a^2(b^2-1)-1(b^2-1)

(a^2-1) ( b^2-1)

(a+1)(a-1)(b+1) (b-1 )