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Calculus Examples
,
Step 1
Step 1.1
Use to rewrite as .
Step 1.2
Since is constant with respect to , the derivative of with respect to is .
Step 1.3
Differentiate using the Power Rule which states that is where .
Step 1.4
To write as a fraction with a common denominator, multiply by .
Step 1.5
Combine and .
Step 1.6
Combine the numerators over the common denominator.
Step 1.7
Simplify the numerator.
Step 1.7.1
Multiply by .
Step 1.7.2
Subtract from .
Step 1.8
Move the negative in front of the fraction.
Step 1.9
Combine and .
Step 1.10
Combine and .
Step 1.11
Move to the denominator using the negative exponent rule .
Step 1.12
Factor out of .
Step 1.13
Cancel the common factors.
Step 1.13.1
Factor out of .
Step 1.13.2
Cancel the common factor.
Step 1.13.3
Rewrite the expression.
Step 1.14
Evaluate the derivative at .
Step 1.15
Simplify.
Step 1.15.1
Simplify the denominator.
Step 1.15.1.1
Rewrite as .
Step 1.15.1.2
Apply the power rule and multiply exponents, .
Step 1.15.1.3
Cancel the common factor of .
Step 1.15.1.3.1
Cancel the common factor.
Step 1.15.1.3.2
Rewrite the expression.
Step 1.15.1.4
Evaluate the exponent.
Step 1.15.2
Divide by .
Step 2
Step 2.1
Use the slope and a given point to substitute for and in the point-slope form , which is derived from the slope equation .
Step 2.2
Simplify the equation and keep it in point-slope form.
Step 2.3
Solve for .
Step 2.3.1
Simplify .
Step 2.3.1.1
Rewrite.
Step 2.3.1.2
Simplify by adding zeros.
Step 2.3.1.3
Apply the distributive property.
Step 2.3.1.4
Multiply by .
Step 2.3.2
Move all terms not containing to the right side of the equation.
Step 2.3.2.1
Add to both sides of the equation.
Step 2.3.2.2
Add and .
Step 3