IP1U4 SWI (Algebraic Identities) Q4

IP1U4 SWI (Algebraic Identities) Q4

IP 1

Expand and simplify

\((-2m-3n)^2\)
\((-2a+5b)^2\)
\((4m+n)^2\)
\((-3a-2b)^2\)

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Answer:(i) \(4m^2+12mn+9n^2\) (ii) \(4a^2-20ab+25b^2\) (iii) \(16m^2+8mn+n^2\) (iv) \(9a^2+12ab+4b^2\)

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