Question

expand 1) 1/x+y/3)^3 2). (4-1/3x)^3​

Answer 1

Hii its tom85

1. (1/X + y/3)^3 = 1/x^3 + 1/27y^3 + 1/x^2y + 1/3y^2x
2. (4 - 1/3x)^3 = 64 - 1/27x^3 + 4/3y^2 - 16/y

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