Calculus Examples

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The Root Mean Square (RMS) of a function over a specified interval is the square root of the arithmetic mean (average) of the squares of the original values.
Substitute the actual values into the formula for the root mean square of a function.
Evaluate the integral.
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Let . Then , so . Rewrite using and .
Combine and .
Since is constant with respect to , move out of the integral.
By the Power Rule, the integral of with respect to is .
Combine fractions.
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Combine and .
Combine and .
Substitute and simplify.
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Evaluate at and at .
Raise to the power of .
Raise to the power of .
Combine the numerators over the common denominator.
Subtract from .
Rewrite as a product.
Multiply and .
Multiply by .
Reduce the expression by cancelling the common factors.
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Factor out of .
Cancel the common factors.
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Factor out of .
Cancel the common factor.
Rewrite the expression.
Simplify the root mean square formula.
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Multiply and .
Subtract from .
Reduce the expression by cancelling the common factors.
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Factor out of .
Factor out of .
Cancel the common factor.
Rewrite the expression.
Rewrite as .
Simplify the numerator.
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Rewrite as .
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Factor out of .
Rewrite as .
Pull terms out from under the radical.
Multiply by .
Simplify.
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Combine.
Raise to the power of .
Raise to the power of .
Use the power rule to combine exponents.
Add and .
Rewrite as .
Multiply .
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Combine using the product rule for radicals.
Multiply by .
The result can be shown in multiple forms.
Exact Form:
Decimal Form:
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