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(ddx)(4x432x34+3)\left(\frac{d}{dx}\right)(-4x^{\frac{4}{3}}-2x^{-\frac{3}{4}}+3)

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Q. (ddx)(4x432x34+3)\left(\frac{d}{dx}\right)(-4x^{\frac{4}{3}}-2x^{-\frac{3}{4}}+3)
  1. Identify Function: Identify the function to differentiate: f(x)=4x432x34+3f(x) = -4x^{\frac{4}{3}} - 2x^{-\frac{3}{4}} + 3. We will use the power rule for differentiation, which states that the derivative of xnx^n with respect to xx is nxn1n\cdot x^{n-1}.
  2. Differentiate First Term: Differentiate the first term 4x43-4x^{\frac{4}{3}} using the power rule.\newlineThe derivative of 4x43-4x^{\frac{4}{3}} with respect to xx is 4×(43)×x(431)-4 \times \left(\frac{4}{3}\right) \times x^{\left(\frac{4}{3}-1\right)}.\newlineSimplify the exponent: (43)1=(43)(33)=13\left(\frac{4}{3}\right) - 1 = \left(\frac{4}{3}\right) - \left(\frac{3}{3}\right) = \frac{1}{3}.\newlineSo, the derivative of the first term is 4×(43)×x13-4 \times \left(\frac{4}{3}\right) \times x^{\frac{1}{3}}.
  3. Differentiate Second Term: Differentiate the second term 2x(3/4)-2x^{(-3/4)} using the power rule.\newlineThe derivative of 2x(3/4)-2x^{(-3/4)} with respect to xx is 2×(3/4)×x((3/4)1)-2 \times (-3/4) \times x^{((-3/4)-1)}.\newlineSimplify the exponent: (3/4)1=(3/4)(4/4)=7/4(-3/4) - 1 = (-3/4) - (4/4) = -7/4.\newlineSo, the derivative of the second term is 2×(3/4)×x(7/4)-2 \times (-3/4) \times x^{(-7/4)}.
  4. Differentiate Third Term: Differentiate the third term +3+3. The derivative of a constant is 00. So, the derivative of the third term is 00.
  5. Combine Derivatives: Combine the derivatives of all terms to get the final derivative of the function.\newlineThe derivative of f(x)f(x) is 4×(4/3)×x1/3+2×(3/4)×x7/4+0-4 \times (4/3) \times x^{1/3} + -2 \times (-3/4) \times x^{-7/4} + 0.\newlineSimplify the coefficients: 4×(4/3)=16/3-4 \times (4/3) = -16/3 and 2×(3/4)=3/2-2 \times (-3/4) = 3/2.\newlineSo, the final derivative of f(x)f(x) is (16/3)x1/3+(3/2)x7/4(-16/3)x^{1/3} + (3/2)x^{-7/4}.

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