SSC (English Medium) Class 8Maharashtra State Board
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Expand (K + 4)3 - SSC (English Medium) Class 8 - Mathematics

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Question

Expand

(k + 4)3

Solution

It is known that,

`(a+b)^3 = a^3 + b^3 + 3a^2b +3ab^2`

= (k + 4)3

= `(k)^3 + (4)^3 + 3 xx (k)^2 xx (4) + 3 xx (k) xx (4)^2`

= `k^3 + 64 + 12k^2 + 48k`

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APPEARS IN

 Balbharati Solution for Balbharati Class 8 Mathematics (2019 to Current)
Chapter 5: Expansion formulae
Practice Set 5.2 | Q: 1 | Page no. 25
Solution Expand (K + 4)3 Concept: Expansion of (A + B)3.
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