# Ex 9.4, 3 (vi) - Chapter 9 Class 8 Algebraic Expressions and Identities

Last updated at Dec. 24, 2018 by

Last updated at Dec. 24, 2018 by

Transcript

Ex 9.4, 3 Simplify. (vi) (๐ฅ+๐ฆ)(๐ฅ^2โ๐ฅ๐ฆ+๐ฆ^2 ) (๐ฅ+๐ฆ)(๐ฅ^2โ๐ฅ๐ฆ+๐ฆ^2 ) = ๐ฅ(๐ฅ^2โ๐ฅ๐ฆ+๐ฆ^2 )+๐ฆ(๐ฅ^2โ๐ฅ๐ฆ+๐ฆ^2 ) = (๐ฅร๐ฅ^2 )โ(๐ฅร๐ฅ๐ฆ)+(๐ฅร๐ฆ^2 )+(๐ฆร๐ฅ^2 )โ(๐ฆร๐ฅ๐ฆ)+(๐ฆร๐ฆ^2 ) = ๐ฅ^3โ๐ฅ^2 ๐ฆ+๐ฅ๐ฆ^2+๐ฆ๐ฅ^2โ๐ฅ๐ฆ^2+๐ฆ^3 = ๐ฅ^3โ๐ฅ^2 ๐ฆ+๐ฅ^2 ๐ฆ+๐ฅ๐ฆ^2โ๐ฅ๐ฆ^2+๐ฆ^3 = ๐ฅ^3โ๐ฅ^2 ๐ฆ+๐ฅ^2 ๐ฆ+๐ฆ^3 = ๐^๐+๐^๐ (๐ฆ๐ฅ^2=๐ฅ^2 ๐ฆ)

Ex 9.4

Ex 9.4, 1 (i)

Ex 9.4, 1 (ii)

Ex 9.4, 1 (iii) Important

Ex 9.4, 1 (iv)

Ex 9.4, 1 (v) Important

Ex 9.4, 1 (vi) Important

Ex 9.4, 2 (i)

Ex 9.4, 2 (ii) Important

Ex 9.4, 2 (iii)

Ex 9.4, 2 (iv) Important

Ex 9.4, 3 (i)

Ex 9.4, 3 (ii)

Ex 9.4, 3 (iii) Important

Ex 9.4, 3 (iv)

Ex 9.4, 3 (v) Important

Ex 9.4, 3 (vi) You are here

Ex 9.4, 3 (vii) Important

Ex 9.4, 3 (viii)

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