Ex 12.2
Ex 12.2, 1 (ii)
Ex 12.2, 1 (iii) Important
Ex 12.2, 1 (iv) Important
Ex 12.2, 1 (v)
Ex 12.2, 1 (vi)
Ex 12.2, 1 (vii) Important
Ex 12.2, 1 (viii)
Ex 12.2, 2 (i)
Ex 12.2, 2 (ii) Important
Ex 12.2, 2 (iii)
Ex 12.2, 2 (iv) Important
Ex 12.2, 2 (v) You are here
Ex 12.2, 2 (vi)
Ex 12.2, 2 (vii) Important
Ex 12.2, 2 (viii) Important
Ex 12.2, 3 (i)
Ex 12.2, 3 (ii) Important
Ex 12.2, 3 (iii)
Ex 12.2, 3 (iv) Important
Ex 12.2, 3 (v) Important
Ex 12.2, 3 (vi)
Ex 12.2, 3 (vii)
Ex 12.2, 3 (viii) Important
Ex 12.2, 3 (ix)
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
Ex 12.2, 5 (i)
Ex 12.2, 5 (ii) Important
Ex 12.2, 5 (iii)
Last updated at April 16, 2024 by Teachoo
Ex 12.2, 2 Factorise. (v) 〖"(l + m)" 〗^2– 〖"(l – m)" 〗^2〖"(l + m)" 〗^2– 〖"(l – m)" 〗^2 Using 𝒂^𝟐− 𝒃^𝟐 = (a + b) (a − b) Here a = (l + m) and b = (l − m) = [("l" + m) + ("l" − m)] [("l" + m) − ("l "− m)] = ["l" + m + "l" − m] ["l" + m − "l" + m] = (2"l") (2m) = 2 × 2 × "l" × m = 4"l"m