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Given the function 
f(x)=(6-x)/(1+x^(3)), find 
f^(')(x) in simplified form.
Answer: 
f^(')(x)=

Given the function f(x)=6x1+x3 f(x)=\frac{6-x}{1+x^{3}} , find f(x) f^{\prime}(x) in simplified form.\newlineAnswer: f(x)= f^{\prime}(x)=

Full solution

Q. Given the function f(x)=6x1+x3 f(x)=\frac{6-x}{1+x^{3}} , find f(x) f^{\prime}(x) in simplified form.\newlineAnswer: f(x)= f^{\prime}(x)=
  1. Identify function: Identify the function to differentiate.\newlineWe have the function f(x)=6x1+x3f(x) = \frac{6-x}{1+x^3}. We need to find its derivative, denoted as f(x)f^{\prime}(x).
  2. Apply quotient rule: Apply the quotient rule for differentiation.\newlineThe quotient rule states that if we have a function g(x)=u(x)v(x)g(x) = \frac{u(x)}{v(x)}, then g(x)=u(x)v(x)u(x)v(x)(v(x))2g^{\prime}(x) = \frac{u^{\prime}(x)v(x) - u(x)v^{\prime}(x)}{(v(x))^2}. Here, u(x)=6xu(x) = 6-x and v(x)=1+x3v(x) = 1+x^3.
  3. Differentiate uu and vv: Differentiate u(x)u(x) and v(x)v(x).u(x)=1u^{\prime}(x) = -1, since the derivative of 66 is 00 and the derivative of x-x is 1-1.v(x)=3x2v^{\prime}(x) = 3x^2, since the derivative of vv00 is 00 and the derivative of vv22 is vv33.
  4. Apply quotient rule: Apply the quotient rule using the derivatives from Step 33.\newlinef(x)=(1)(1+x3)(6x)(3x2)(1+x3)2f'(x) = \frac{(-1)(1+x^3) - (6-x)(3x^2)}{(1+x^3)^2}.
  5. Expand and simplify: Expand and simplify the numerator of the derivative. f(x)=1x318x2+3x3(1+x3)2f'(x) = \frac{-1 - x^3 - 18x^2 + 3x^3}{(1+x^3)^2}.
  6. Combine like terms: Combine like terms in the numerator.\newlinef(x)=118x2+2x3(1+x3)2f'(x) = \frac{-1 - 18x^2 + 2x^3}{(1+x^3)^2}.
  7. Check for simplification: Check for any possible simplification.\newlineThe numerator and denominator are already in their simplest form, so no further simplification is possible.

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