Question
Solve the equation
Solve for x
Solve for y
x=0
Evaluate
x3y=0
Rewrite the expression
yx3=0
Rewrite the expression
x3=0
Solution
x=0
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Testing for symmetry
Testing for symmetry about the origin
Testing for symmetry about the x-axis
Testing for symmetry about the y-axis
Symmetry with respect to the origin
Evaluate
x3y=0
To test if the graph of x3y=0 is symmetry with respect to the origin,substitute -x for x and -y for y
(−x)3(−y)=0
Evaluate
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Evaluate
(−x)3(−y)
Rewrite the expression
−x3(−y)
Multiplying or dividing an even number of negative terms equals a positive
x3y
x3y=0
Solution
Symmetry with respect to the origin
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Rewrite the equation
r=0θ=2kπ,k∈Z
Evaluate
x3y=0
To convert the equation to polar coordinates,substitute x for rcos(θ) and y for rsin(θ)
(cos(θ)×r)3sin(θ)×r=0
Factor the expression
cos3(θ)sin(θ)×r4=0
Separate into possible cases
r4=0cos3(θ)sin(θ)=0
Evaluate
r=0cos3(θ)sin(θ)=0
Solution
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Evaluate
cos3(θ)sin(θ)=0
Separate the equation into 2 possible cases
cos3(θ)=0sin(θ)=0
Solve the equation
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Evaluate
cos3(θ)=0
The only way a power can be 0 is when the base equals 0
cos(θ)=0
Use the inverse trigonometric function
θ=arccos(0)
Calculate
θ=2π
Add the period of kπ,k∈Z to find all solutions
θ=2π+kπ,k∈Z
θ=2π+kπ,k∈Zsin(θ)=0
Solve the equation
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Evaluate
sin(θ)=0
Use the inverse trigonometric function
θ=arcsin(0)
Calculate
θ=0
Add the period of kπ,k∈Z to find all solutions
θ=kπ,k∈Z
θ=2π+kπ,k∈Zθ=kπ,k∈Z
Find the union
θ=2kπ,k∈Z
r=0θ=2kπ,k∈Z
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Find the first derivative
Find the derivative with respect to x
Find the derivative with respect to y
dxdy=−x3y
Calculate
x3y=0
Take the derivative of both sides
dxd(x3y)=dxd(0)
Calculate the derivative
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Evaluate
dxd(x3y)
Use differentiation rules
dxd(x3)×y+x3×dxd(y)
Use dxdxn=nxn−1 to find derivative
3x2y+x3×dxd(y)
Evaluate the derivative
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Evaluate
dxd(y)
Use differentiation rules
dyd(y)×dxdy
Use dxdxn=nxn−1 to find derivative
dxdy
3x2y+x3dxdy
3x2y+x3dxdy=dxd(0)
Calculate the derivative
3x2y+x3dxdy=0
Move the expression to the right-hand side and change its sign
x3dxdy=0−3x2y
Removing 0 doesn't change the value,so remove it from the expression
x3dxdy=−3x2y
Divide both sides
x3x3dxdy=x3−3x2y
Divide the numbers
dxdy=x3−3x2y
Solution
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Evaluate
x3−3x2y
Reduce the fraction
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Evaluate
x3x2
Use the product rule aman=an−m to simplify the expression
x3−21
Subtract the terms
x11
Simplify
x1
x−3y
Use b−a=−ba=−ba to rewrite the fraction
−x3y
dxdy=−x3y
Show Solution

Find the second derivative
Find the second derivative with respect to x
Find the second derivative with respect to y
dx2d2y=x212y
Calculate
x3y=0
Take the derivative of both sides
dxd(x3y)=dxd(0)
Calculate the derivative
More Steps

Evaluate
dxd(x3y)
Use differentiation rules
dxd(x3)×y+x3×dxd(y)
Use dxdxn=nxn−1 to find derivative
3x2y+x3×dxd(y)
Evaluate the derivative
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Evaluate
dxd(y)
Use differentiation rules
dyd(y)×dxdy
Use dxdxn=nxn−1 to find derivative
dxdy
3x2y+x3dxdy
3x2y+x3dxdy=dxd(0)
Calculate the derivative
3x2y+x3dxdy=0
Move the expression to the right-hand side and change its sign
x3dxdy=0−3x2y
Removing 0 doesn't change the value,so remove it from the expression
x3dxdy=−3x2y
Divide both sides
x3x3dxdy=x3−3x2y
Divide the numbers
dxdy=x3−3x2y
Divide the numbers
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Evaluate
x3−3x2y
Reduce the fraction
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Evaluate
x3x2
Use the product rule aman=an−m to simplify the expression
x3−21
Subtract the terms
x11
Simplify
x1
x−3y
Use b−a=−ba=−ba to rewrite the fraction
−x3y
dxdy=−x3y
Take the derivative of both sides
dxd(dxdy)=dxd(−x3y)
Calculate the derivative
dx2d2y=dxd(−x3y)
Use differentiation rules
dx2d2y=−x2dxd(3y)×x−3y×dxd(x)
Calculate the derivative
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Evaluate
dxd(3y)
Simplify
3×dxd(y)
Calculate
3dxdy
dx2d2y=−x23dxdy×x−3y×dxd(x)
Use dxdxn=nxn−1 to find derivative
dx2d2y=−x23dxdy×x−3y×1
Use the commutative property to reorder the terms
dx2d2y=−x23xdxdy−3y×1
Any expression multiplied by 1 remains the same
dx2d2y=−x23xdxdy−3y
Use equation dxdy=−x3y to substitute
dx2d2y=−x23x(−x3y)−3y
Solution
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Calculate
−x23x(−x3y)−3y
Multiply
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Multiply the terms
3x(−x3y)
Any expression multiplied by 1 remains the same
−3x×x3y
Multiply the terms
−9y
−x2−9y−3y
Subtract the terms
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Simplify
−9y−3y
Collect like terms by calculating the sum or difference of their coefficients
(−9−3)y
Subtract the numbers
−12y
−x2−12y
Divide the terms
−(−x212y)
Calculate
x212y
dx2d2y=x212y
Show Solution
