Find the value of 12 m -15 n 2A- 122 m 2-360 mn -225 n 2B- 144 m 2-360 mn -225 n 2C- 144 m 2-360 mn -125 n2D- 144 m 2-180 mn -225 n 2

The correct option is B 144m2 – 360mn + 225n2By using square identity (a b)2 = a2 + b2 2ab, we get (12m – 15n )2 = 144m2 – 360mn + 225n2 ...

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Question

Find the value of (12m – 15n)²

144m² – 180mn + 225n²

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122m² – 360mn + 225n²

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144m² – 360mn + 225n²

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144m² + 360mn + 125n²

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