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Ex 12.2, 1 (vii) - Chapter 12 Class 8 Factorisation
Last updated at May 29, 2023 by Teachoo
Factorisation using identities
Factorisation using identities
Example 4
Example 5 Important
Example 6
Example 8
Example 7 Important
Ex 12.2, 1 (i)
Ex 12.2, 1 (ii)
Ex 12.2, 1 (iii) Important
Ex 12.2, 1 (v)
Ex 12.2, 1 (viii)
Ex 12.2, 1 (vi)
Ex 12.2, 1 (iv) Important
Ex 12.2, 1 (vii) Important You are here
Ex 12.2, 2 (i)
Ex 12.2, 2 (iii)
Ex 12.2, 2 (vi)
Ex 12.2, 2 (ii) Important
Ex 12.2, 2 (iv) Important
Ex 12.2, 2 (v)
Ex 12.2, 2 (vii) Important
Ex 12.2, 2 (viii) Important
Ex 12.2, 4 (i)
Ex 12.2, 4 (ii) Important
Ex 12.2, 4 (iii)
Ex 12.2, 4 (iv) Important
Ex 12.2, 4 (v) Important
Transcript
Ex 12.2, 1 Factorise the following expressions. (vii) 〖"(l + m)" 〗^2 – 4lm (Hint: Expand 〖"(l + m)" 〗^2 first) 〖"(l + m)" 〗^2 – 4lm Using (𝑎+𝑏^2 )=𝑎^2+𝑏^2+2𝑎𝑏 Here, 𝑎 = l and b = m Using (𝑎+𝑏^2 )=𝑎^2+𝑏^2+2𝑎𝑏 Here, 𝑎 = l and b = m Using (𝑎−𝑏^2 )=𝑎^2+𝑏^2−2𝑎𝑏 Here, 𝑎 = l and b = m = (𝒍−𝒎)^𝟐
