Math, asked by hasteepatel06, 1 month ago

need proper answer for grade 9(step by step)

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Answered by ranigudiya112

1

Answer:

there is the answer.

Step-by-step explanation:

3x + 2y)2

= (3x)2 + (2y)2 + 2 (3x) (2y)

= 9x2 + 4y2 + 12xy 122

= 9x2 + 4y2 + 12 × 6 144

= 9x2 + 4y2 + 72 144 – 72

= 9x2 + 4y2

∴ 9x2 + 4y2 = 72

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