Math, asked by rajeevgandhi548, 1 month ago

Q13) find the product:

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Answers

Answered by chaurasiyamadhuri59

1

Answer:

you can find with calculator

Answered by luyiesmathew

1

Answer:

$50 {m}^{2} + 98 {n}^{2}$

Step-by-step explanation:

$(5m - 7n) ^{2} + (5m + 7n) ^{2} \\ =25 {m}^{2} - 70mn + 49 {n}^{2} + 25 {m}^{2} + 70mn + 49 {n }^{2} \\ = 50 {m}^{2} + 98 {n}^{2} \\$

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