Question

(2X+3Y)2=4X2+9Y2+M,find M​

Answer 1

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Answer 2

Step-by-step explanation:

$(2x + 3y) ^{2} \\ using \: (a + b) ^{2} \: formula.. \\ (a + b) ^{2} = a ^{2} + b ^{2} + 2ab\\ = (2 x ) ^{2} + ( {3y})^{2} + 2(2x)(3y) \\\ = 4x ^{2} + 9y ^{2} + 12xy.. \\ in \: \: question \: in \: place \: of \: 12xy \: \\ there \: is \: m..\\ = therefore \: \: the \: \: m \: = 12xy..$

➡ M = 12xy..