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d d x ⁻¹ (3 x-4 x^3 ) is equal to

Options

  1. A3 4-x^2
  2. B3 1-x^2
  3. C1 4-x^2
  4. D- 1 4-x^2

Correct answer

B. 3 1-x^2

Step-by-step solution

aligned & d d x ⁻¹ (3 x-4 x^3 ) & Put x= & = ⁻¹ x & = d d x ⁻¹ (3 -4 ^3 ) & = d d x ⁻¹ 3 & = d d x 3 =3 d d x ⁻¹ x= 3 1-x^2 & aligned

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