What is the differential of (14x^3-3x^2)^3

Chain Rule- Differential of the bracket x the initial power of the bracket x the initial bracketpower-1 --- So Differential of bracket is 42x2- 6x--- Power of bracket is 3 ---Initial bracketpower-1 is (14x3-3x2)2---So dy/dx = (42x2-6x)(3)(14x3-3x2)2

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