d d x ( ⁻¹ (3 x-4 x^3 ) ), 1 2

Options

1. A1 3 1-x^2
2. B-3 1-x^2
3. C-1 3 1-x^2
4. D3 1-x^2

Correct answer

B. -3 1-x^2

Step-by-step solution

aligned & d ( ⁻¹ (3 x -4 x ^3 ) ) dx & = d ( -3 ⁻¹ x ) dx [ as 1 2 < x <1 ]= -3 1- x ^2 aligned

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