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Maths CBSE Live product
Class 8 (2026-27)
We Distribute Yet Things Multiply - Textbook Aligned Version
Special Cases of the Distributive Property – Squares of Sum and Difference
8.
NCERT | Square of sum of two numbers | Intext | Pg.146 | Q2
Question:
5
m.
Expand \((4b + 2)^{2}\) using the identity and distributive property.
Answer:
The identity used to expand the given expression is
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If we expand the given expression using the distributive property, we apply
(a+b)(ab) = (a × ab) + (b × ab)
(a+b)(a+b) = (a × a) + (b × a) + (a × b) + (b × b)
(a+b)(a+b) = 2a + 2b
(a+b)(a-b) = (a × a) - (b × b)
.
\((4b + 2)^{2}\) \(=\)
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