Maharashtra State BoardSSC (English Medium) 8th Standard
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Expand (7x + 8y)3 - Mathematics

Sum

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(7x + 8y)3

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Solution

(7x + 8y)3

= `(7x)^3 + (8y)^3 + 3 xx (7x)^2 xx (8y) + 3 xx (7x) xx (8y)^2`

= `343x^3 + 512y^3 + 1176x^2y + 1344xy^2`

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APPEARS IN

Balbharati Mathematics 8th Standard Maharashtra State Board
Chapter 5 Expansion formulae
Practice Set 5.2 | Q 2 | Page 25
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