Calculus Examples

Find the Derivative - d/dx 6 square root of x+5cos(x)
Step 1
By the Sum Rule, the derivative of with respect to is .
Step 2
Evaluate .
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Step 2.1
Use to rewrite as .
Step 2.2
Since is constant with respect to , the derivative of with respect to is .
Step 2.3
Differentiate using the Power Rule which states that is where .
Step 2.4
To write as a fraction with a common denominator, multiply by .
Step 2.5
Combine and .
Step 2.6
Combine the numerators over the common denominator.
Step 2.7
Simplify the numerator.
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Step 2.7.1
Multiply by .
Step 2.7.2
Subtract from .
Step 2.8
Move the negative in front of the fraction.
Step 2.9
Combine and .
Step 2.10
Combine and .
Step 2.11
Move to the denominator using the negative exponent rule .
Step 2.12
Factor out of .
Step 2.13
Cancel the common factors.
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Step 2.13.1
Factor out of .
Step 2.13.2
Cancel the common factor.
Step 2.13.3
Rewrite the expression.
Step 3
Evaluate .
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Step 3.1
Since is constant with respect to , the derivative of with respect to is .
Step 3.2
The derivative of with respect to is .
Step 3.3
Multiply by .