Question

Expand using identity ( 3x + y)2​

Answer 1

Answer:

Answer:

6x+2y is your answer

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Answer 2

$\bold{( {3x + 2y})^{2} } \\ \bold{we \: know \: that} \\ \bold{ ({a + b})^{2} \: = \: {a}^{2} + {b}^{2} + 2ab} \\ \bold{ ({3x + 2y})^{2} \: = \: ( {3x})^{2} + ({2y})^{2} + 2 \times 3x \times 2y } \\ \bold \red{ = \: {9x}^{2} + {4y}^{2} + 12xy \: \: ....ans}$

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