Question

(4x-13y)^3 expand this by using identities

Answer 1

Step-by-step explanation:

( 4x - 13 y) ^3

(a-b)^3 = a^3 - b^3 - 3a^2b + 3ab^2

(4x)^3 - (13y)^3 - 3 (4x)^2 (13y) + 3 (4x) ( 13y)^2

64x^3 - 2197y^3 - 624x^2y + 2028 xy^2. Answer

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