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4. Factorise:(1) a + ab + a²b2 + a2b3 |
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Answer» -step explanation:We know the identity a 2 −b 2 =(a+b)(a−b) Using the above identity, the given expressiona 2 −b 2 −a+b can be factorised as follows:a 2 −b 2 −a+b=[(a+b)(a−b)]−1(a−b)=(a−b)(a+b−1)HENCE, a 2 −b PLEASE follow me FRIEND and make me as BRAINLIEST |
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