Question 3 (iv) - Algebra Identities and Formulas - Chapter 8 Class 8 Algebraic Expressions and Identities
Last updated at April 16, 2024 by Teachoo
Algebra Identities and Formulas
Question 1 (ii) Important
Question 1 (iii)
Question 1 (iv)
Question 1 (v) Important
Question 1 (vi) Important
Question 1 (vii)
Question 1 (viii)
Question 1 (ix) Important
Question 1 (x)
Question 2 (i)
Question 2 (ii)
Question 2 (iii)
Question 2 (iv) Important
Question 2 (v)
Question 2 (vi) Important
Question 2 (vii) Important
Question 3 (i)
Question 3 (ii) Important
Question 3 (iii)
Question 3 (iv) Important You are here
Question 3 (v) Important
Question 3 (vi)
Question 4 (i)
Question 4 (ii)
Question 4 (iii) Important
Question 4 (iv)
Question 4 (v) Important
Question 4 (vi)
Question 4 (vii) Important
Question 5 (i)
Question 5 (ii)
Question 5 (iii) Important
Question 5 (iv)
Question 5 (v) Important
Question 6 (i)
Question 6 (ii) Important
Question 6 (iii)
Question 6 (iv)
Question 6 (v) Important
Question 6 (vi)
Question 6 (vii) Important
Question 6 (viii)
Question 6 (ix) Important
Question 7 (i)
Question 7 (ii) Important
Question 7 (iii)
Question 7 (iv) Important
Question 8 (i)
Question 8 (ii)
Question 8 (iii) Important
Question 8 (iv) Important
Last updated at April 16, 2024 by Teachoo
Question 3 Find the following squares by using the identities. (iv) (2/3 𝑚+3/2 𝑛)^2 (2/3 𝑚+3/2 𝑛)^2 (𝑎+𝑏)^2=𝑎^2+𝑏^2+2𝑎𝑏 Putting 𝑎 = 2/3 𝑚 & 𝑏 = 3/2 𝑛 = (2/3 𝑚)^2+(3/2 𝑛)^2+2(2/3 𝑚)(3/2 𝑛) = (2/3)^2×𝑚^2+(3/2)^2×𝑛^2+((2 × 2 × 3)/(3 × 2))×(𝑚×𝑛) = 𝟒/𝟗 𝒎^𝟐+ 𝟗/𝟒 𝒏^𝟐+𝟐𝒎𝒏