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Given the function 
f(x)=-3(4x^(2)+6x)^(6), find 
f^(')(x) in any form.
Answer: 
f^(')(x)=

Given the function f(x)=3(4x2+6x)6 f(x)=-3\left(4 x^{2}+6 x\right)^{6} , find f(x) f^{\prime}(x) in any form.\newlineAnswer: f(x)= f^{\prime}(x)=

Full solution

Q. Given the function f(x)=3(4x2+6x)6 f(x)=-3\left(4 x^{2}+6 x\right)^{6} , find f(x) f^{\prime}(x) in any form.\newlineAnswer: f(x)= f^{\prime}(x)=
  1. Identify Functions: To find the derivative of the function f(x)=3(4x2+6x)6f(x) = -3(4x^2 + 6x)^6, we will use the chain rule. The chain rule states that the derivative of a composite function is the derivative of the outer function evaluated at the inner function times the derivative of the inner function.
  2. Derivative of Outer Function: First, let's identify the outer function and the inner function. The outer function is u6u^6 where u=4x2+6xu = 4x^2 + 6x, and the inner function is 4x2+6x4x^2 + 6x. We will need to take the derivative of both.
  3. Derivative of Inner Function: The derivative of the outer function u6u^6 with respect to uu is 6u56u^5. We will later substitute uu with 4x2+6x4x^2 + 6x.
  4. Apply Chain Rule: The derivative of the inner function 4x2+6x4x^2 + 6x with respect to xx is 8x+68x + 6. This is obtained by using the power rule for each term separately.
  5. Simplify Expression: Now, we apply the chain rule. The derivative of f(x)f(x) with respect to xx is the derivative of the outer function evaluated at the inner function times the derivative of the inner function. This gives us:\newlinef(x)=6×(3)×(4x2+6x)5×(8x+6)f'(x) = 6 \times (-3) \times (4x^2 + 6x)^5 \times (8x + 6).
  6. Final Derivative: Simplify the expression by multiplying the constants and combining like terms: f(x)=18×(4x2+6x)5×(8x+6)f'(x) = -18 \times (4x^2 + 6x)^5 \times (8x + 6).
  7. Final Derivative: Simplify the expression by multiplying the constants and combining like terms: f(x)=18×(4x2+6x)5×(8x+6)f'(x) = -18 \times (4x^2 + 6x)^5 \times (8x + 6). The final form of the derivative is: f(x)=18(4x2+6x)5(8x+6)f'(x) = -18(4x^2 + 6x)^5(8x + 6).

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