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Solved Problems 		Home >> Standard Identities & their applications >> (a - b)3 = a3 - b3 - 3ab(a - b) >> Examples

(a + b)2 = a2 + b2 + 2ab (a - b)2 = a2 + b2 - 2ab a2 - b2 = (a + b) (a - b) (x + a) (x + b) = x2 + x(a + b) + ab (a + b + c)2 = a2 + b2 + c2 + 2ab + 2bc + 2ca
(a + b)3 = a3 + b3 + 3ab(a + b) (a - b)3 = a3 - b3 - 3ab(a - b) a3 + b3 + c3 - 3abc = (a + b + c)(a2 + b2 + c2 - ab - bc - ca)

Study More Solved Questions / Examples

  • Solve the following equations using (A - B) Cube formula
    A) (2x - 3y)3
    B) (5x - 4y)3
    C) (9x - 5y)3
    D) (13x - 7y)3
    E) (15x - 9y)3
    F) (17x - 11y)3
    G) (19x - 13y)3

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