the value of 9a2+49b2-4a2 ab.where a=16 and b=4
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9 x 16 x 2 + 49 x 4 x 2 - 4 x 16 x 2
9 x 32 + 49 x 8 - 4 x 32
288 +395 - 128
555
Is the correct answer
Please brainlest my ans
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