Calculus Examples

Solve the Differential Equation x^2(dw)/(dx) = square root of w(6x+3)
Step 1
Separate the variables.
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Step 1.1
Divide each term in by and simplify.
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Step 1.1.1
Divide each term in by .
Step 1.1.2
Simplify the left side.
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Step 1.1.2.1
Cancel the common factor of .
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Step 1.1.2.1.1
Cancel the common factor.
Step 1.1.2.1.2
Divide by .
Step 1.1.3
Simplify the right side.
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Step 1.1.3.1
Factor out of .
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Step 1.1.3.1.1
Factor out of .
Step 1.1.3.1.2
Factor out of .
Step 1.1.3.1.3
Factor out of .
Step 1.1.3.2
Move to the left of .
Step 1.2
Regroup factors.
Step 1.3
Multiply both sides by .
Step 1.4
Simplify.
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Step 1.4.1
Rewrite using the commutative property of multiplication.
Step 1.4.2
Multiply by .
Step 1.4.3
Combine and simplify the denominator.
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Step 1.4.3.1
Multiply by .
Step 1.4.3.2
Raise to the power of .
Step 1.4.3.3
Raise to the power of .
Step 1.4.3.4
Use the power rule to combine exponents.
Step 1.4.3.5
Add and .
Step 1.4.3.6
Rewrite as .
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Step 1.4.3.6.1
Use to rewrite as .
Step 1.4.3.6.2
Apply the power rule and multiply exponents, .
Step 1.4.3.6.3
Combine and .
Step 1.4.3.6.4
Cancel the common factor of .
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Step 1.4.3.6.4.1
Cancel the common factor.
Step 1.4.3.6.4.2
Rewrite the expression.
Step 1.4.3.6.5
Simplify.
Step 1.4.4
Combine and .
Step 1.4.5
Combine and .
Step 1.4.6
Combine.
Step 1.4.7
Simplify the numerator.
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Step 1.4.7.1
Raise to the power of .
Step 1.4.7.2
Raise to the power of .
Step 1.4.7.3
Use the power rule to combine exponents.
Step 1.4.7.4
Add and .
Step 1.4.8
Rewrite as .
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Step 1.4.8.1
Use to rewrite as .
Step 1.4.8.2
Apply the power rule and multiply exponents, .
Step 1.4.8.3
Combine and .
Step 1.4.8.4
Cancel the common factor of .
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Step 1.4.8.4.1
Cancel the common factor.
Step 1.4.8.4.2
Rewrite the expression.
Step 1.4.8.5
Simplify.
Step 1.4.9
Cancel the common factor of .
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Step 1.4.9.1
Cancel the common factor.
Step 1.4.9.2
Rewrite the expression.
Step 1.5
Rewrite the equation.
Step 2
Integrate both sides.
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Step 2.1
Set up an integral on each side.
Step 2.2
Integrate the left side.
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Step 2.2.1
Apply basic rules of exponents.
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Step 2.2.1.1
Use to rewrite as .
Step 2.2.1.2
Move out of the denominator by raising it to the power.
Step 2.2.1.3
Multiply the exponents in .
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Step 2.2.1.3.1
Apply the power rule and multiply exponents, .
Step 2.2.1.3.2
Combine and .
Step 2.2.1.3.3
Move the negative in front of the fraction.
Step 2.2.2
By the Power Rule, the integral of with respect to is .
Step 2.3
Integrate the right side.
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Step 2.3.1
Since is constant with respect to , move out of the integral.
Step 2.3.2
Apply basic rules of exponents.
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Step 2.3.2.1
Move out of the denominator by raising it to the power.
Step 2.3.2.2
Multiply the exponents in .
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Step 2.3.2.2.1
Apply the power rule and multiply exponents, .
Step 2.3.2.2.2
Multiply by .
Step 2.3.3
Multiply .
Step 2.3.4
Simplify.
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Step 2.3.4.1
Multiply by by adding the exponents.
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Step 2.3.4.1.1
Move .
Step 2.3.4.1.2
Multiply by .
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Step 2.3.4.1.2.1
Raise to the power of .
Step 2.3.4.1.2.2
Use the power rule to combine exponents.
Step 2.3.4.1.3
Add and .
Step 2.3.4.2
Multiply by .
Step 2.3.5
Split the single integral into multiple integrals.
Step 2.3.6
Since is constant with respect to , move out of the integral.
Step 2.3.7
The integral of with respect to is .
Step 2.3.8
By the Power Rule, the integral of with respect to is .
Step 2.3.9
Simplify.
Step 2.4
Group the constant of integration on the right side as .
Step 3
Solve for .
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Step 3.1
Divide each term in by and simplify.
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Step 3.1.1
Divide each term in by .
Step 3.1.2
Simplify the left side.
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Step 3.1.2.1
Cancel the common factor.
Step 3.1.2.2
Divide by .
Step 3.1.3
Simplify the right side.
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Step 3.1.3.1
Simplify each term.
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Step 3.1.3.1.1
Simplify the numerator.
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Step 3.1.3.1.1.1
Simplify by moving inside the logarithm.
Step 3.1.3.1.1.2
Remove the absolute value in because exponentiations with even powers are always positive.
Step 3.1.3.1.1.3
To write as a fraction with a common denominator, multiply by .
Step 3.1.3.1.1.4
Combine the numerators over the common denominator.
Step 3.1.3.1.2
Combine and .
Step 3.1.3.1.3
Multiply the numerator by the reciprocal of the denominator.
Step 3.1.3.1.4
Combine.
Step 3.1.3.1.5
Multiply by .
Step 3.1.3.1.6
Move to the left of .
Step 3.1.3.2
To write as a fraction with a common denominator, multiply by .
Step 3.1.3.3
Simplify terms.
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Step 3.1.3.3.1
Multiply by .
Step 3.1.3.3.2
Combine the numerators over the common denominator.
Step 3.1.3.4
Simplify the numerator.
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Step 3.1.3.4.1
Apply the distributive property.
Step 3.1.3.4.2
Multiply .
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Step 3.1.3.4.2.1
Reorder and .
Step 3.1.3.4.2.2
Simplify by moving inside the logarithm.
Step 3.1.3.4.3
Multiply by .
Step 3.1.3.4.4
Multiply the exponents in .
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Step 3.1.3.4.4.1
Apply the power rule and multiply exponents, .
Step 3.1.3.4.4.2
Multiply by .
Step 3.1.3.5
Reorder factors in .
Step 3.2
Raise each side of the equation to the power of to eliminate the fractional exponent on the left side.
Step 3.3
Simplify the exponent.
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Step 3.3.1
Simplify the left side.
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Step 3.3.1.1
Simplify .
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Step 3.3.1.1.1
Multiply the exponents in .
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Step 3.3.1.1.1.1
Apply the power rule and multiply exponents, .
Step 3.3.1.1.1.2
Cancel the common factor of .
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Step 3.3.1.1.1.2.1
Cancel the common factor.
Step 3.3.1.1.1.2.2
Rewrite the expression.
Step 3.3.1.1.2
Simplify.
Step 3.3.2
Simplify the right side.
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Step 3.3.2.1
Simplify .
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Step 3.3.2.1.1
Split the fraction into two fractions.
Step 3.3.2.1.2
Simplify each term.
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Step 3.3.2.1.2.1
Split the fraction into two fractions.
Step 3.3.2.1.2.2
Simplify each term.
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Step 3.3.2.1.2.2.1
Expand by moving outside the logarithm.
Step 3.3.2.1.2.2.2
Cancel the common factor of .
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Step 3.3.2.1.2.2.2.1
Cancel the common factor.
Step 3.3.2.1.2.2.2.2
Rewrite the expression.
Step 3.3.2.1.2.2.3
Cancel the common factor of and .
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Step 3.3.2.1.2.2.3.1
Factor out of .
Step 3.3.2.1.2.2.3.2
Cancel the common factors.
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Step 3.3.2.1.2.2.3.2.1
Factor out of .
Step 3.3.2.1.2.2.3.2.2
Cancel the common factor.
Step 3.3.2.1.2.2.3.2.3
Rewrite the expression.
Step 3.3.2.1.2.2.3.2.4
Divide by .
Step 3.3.2.1.2.2.4
Simplify by moving inside the logarithm.
Step 3.3.2.1.2.2.5
Move the negative in front of the fraction.
Step 3.3.2.1.2.3
Cancel the common factor of .
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Step 3.3.2.1.2.3.1
Cancel the common factor.
Step 3.3.2.1.2.3.2
Rewrite the expression.
Step 4
Simplify the constant of integration.