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Question
Multiply the following:
(ab + c), (ab + c)
Sum
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Solution
We have,
(ab + c) and (ab + c)
∴ (ab + c)(ab + c) = ab(ab + c) + c(ab + c)
= a2b2 + abc + abc + c2
= a2b2 + 2abc + c2
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Chapter 7: Algebraic Expression, Identities and Factorisation - Exercise [Page 231]
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