Math Problem Statement

Differentiate the function. y =

SQUre root of 6 + 6e6x

y' =

Solution

To differentiate the function:

y=6+6e6xy = \sqrt{6 + 6e^{6x}}

we apply the chain rule. Here's the step-by-step process:

Step 1: Express the function in a more convenient form

y=(6+6e6x)12y = (6 + 6e^{6x})^{\frac{1}{2}}

Step 2: Apply the chain rule

The derivative of y=u12y = u^{\frac{1}{2}} with respect to uu is:

dydu=12u12=12(6+6e6x)12\frac{dy}{du} = \frac{1}{2}u^{-\frac{1}{2}} = \frac{1}{2}(6 + 6e^{6x})^{-\frac{1}{2}}

Now, we need to multiply by the derivative of the inside expression 6+6e6x6 + 6e^{6x}.

Step 3: Differentiate the inside expression

The derivative of 6+6e6x6 + 6e^{6x} with respect to xx is:

[ \frac{d}{dx}[6 + 6e^{6x}] = 6 \cdot \frac{d}{dx}[e^{6x}] = 6 \cdot 6e^{6x} = 36e^{6x} ]

Step 4: Multiply both parts

Now, combine the derivative of the outer and inner functions:

y=12(6+6e6x)1236e6xy' = \frac{1}{2}(6 + 6e^{6x})^{-\frac{1}{2}} \cdot 36e^{6x}

Step 5: Simplify the expression

y=36e6x2(6+6e6x)12y' = \frac{36e^{6x}}{2(6 + 6e^{6x})^{\frac{1}{2}}} y=18e6x6+6e6xy' = \frac{18e^{6x}}{\sqrt{6 + 6e^{6x}}}

Thus, the derivative of the function is:

y=18e6x6+6e6xy' = \frac{18e^{6x}}{\sqrt{6 + 6e^{6x}}}

Would you like more details, or do you have any questions?

Here are 5 related questions for further practice:

  1. Differentiate y=3+e3xy = \sqrt{3 + e^{3x}}.
  2. Differentiate y=7x+e7xy = \sqrt{7x + e^{7x}}.
  3. What is the derivative of y=e3x5x+2y = e^{3x}\sqrt{5x + 2}?
  4. Differentiate y=ln(6+e6x)y = \ln(6 + e^{6x}).
  5. What is the second derivative of y=6+6e6xy = \sqrt{6 + 6e^{6x}}?

Tip: Always simplify your expressions as much as possible after differentiating to make the result more manageable.

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Math Problem Analysis

Mathematical Concepts

Differentiation
Chain Rule
Exponential Functions

Formulas

Derivative of square root function: d/dx[√u] = 1/(2√u) * du/dx
Derivative of exponential function: d/dx[e^kx] = ke^kx

Theorems

Chain Rule

Suitable Grade Level

Grades 11-12 or Early Calculus