Question
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
x2y2=3xy−11
To test if the graph of x2y2=3xy−11 is symmetry with respect to the origin,substitute -x for x and -y for y
(−x)2(−y)2=3(−x)(−y)−11
Evaluate
x2y2=3(−x)(−y)−11
Evaluate
x2y2=3xy−11
Solution
Symmetry with respect to the origin
Show Solution
Find the first derivative
Find the derivative with respect to x
Find the derivative with respect to y
dxdy=−xy
Calculate
x2y2=3xy−11
Take the derivative of both sides
dxd(x2y2)=dxd(3xy−11)
Calculate the derivative
More Steps

Evaluate
dxd(x2y2)
Use differentiation rules
dxd(x2)×y2+x2×dxd(y2)
Use dxdxn=nxn−1 to find derivative
2xy2+x2×dxd(y2)
Evaluate the derivative
More Steps

Evaluate
dxd(y2)
Use differentiation rules
dyd(y2)×dxdy
Use dxdxn=nxn−1 to find derivative
2ydxdy
2xy2+2x2ydxdy
2xy2+2x2ydxdy=dxd(3xy−11)
Calculate the derivative
More Steps

Evaluate
dxd(3xy−11)
Use differentiation rules
dxd(3xy)+dxd(−11)
Evaluate the derivative
More Steps

Evaluate
dxd(3xy)
Use differentiation rules
dxd(3x)×y+3x×dxd(y)
Evaluate the derivative
3y+3x×dxd(y)
Evaluate the derivative
3y+3xdxdy
3y+3xdxdy+dxd(−11)
Use dxd(c)=0 to find derivative
3y+3xdxdy+0
Evaluate
3y+3xdxdy
2xy2+2x2ydxdy=3y+3xdxdy
Move the expression to the left side
2xy2+2x2ydxdy−3xdxdy=3y
Move the expression to the right side
2x2ydxdy−3xdxdy=3y−2xy2
Collect like terms by calculating the sum or difference of their coefficients
(2x2y−3x)dxdy=3y−2xy2
Divide both sides
2x2y−3x(2x2y−3x)dxdy=2x2y−3x3y−2xy2
Divide the numbers
dxdy=2x2y−3x3y−2xy2
Solution
More Steps

Evaluate
2x2y−3x3y−2xy2
Rewrite the expression
2x2y−3x(3−2xy)y
Rewrite the expression
(3−2xy)(−x)(3−2xy)y
Reduce the fraction
−xy
Use b−a=−ba=−ba to rewrite the fraction
−xy
dxdy=−xy
Show Solution
Find the second derivative
Find the second derivative with respect to x
Find the second derivative with respect to y
dx2d2y=x22y
Calculate
x2y2=3xy−11
Take the derivative of both sides
dxd(x2y2)=dxd(3xy−11)
Calculate the derivative
More Steps

Evaluate
dxd(x2y2)
Use differentiation rules
dxd(x2)×y2+x2×dxd(y2)
Use dxdxn=nxn−1 to find derivative
2xy2+x2×dxd(y2)
Evaluate the derivative
More Steps

Evaluate
dxd(y2)
Use differentiation rules
dyd(y2)×dxdy
Use dxdxn=nxn−1 to find derivative
2ydxdy
2xy2+2x2ydxdy
2xy2+2x2ydxdy=dxd(3xy−11)
Calculate the derivative
More Steps

Evaluate
dxd(3xy−11)
Use differentiation rules
dxd(3xy)+dxd(−11)
Evaluate the derivative
More Steps

Evaluate
dxd(3xy)
Use differentiation rules
dxd(3x)×y+3x×dxd(y)
Evaluate the derivative
3y+3x×dxd(y)
Evaluate the derivative
3y+3xdxdy
3y+3xdxdy+dxd(−11)
Use dxd(c)=0 to find derivative
3y+3xdxdy+0
Evaluate
3y+3xdxdy
2xy2+2x2ydxdy=3y+3xdxdy
Move the expression to the left side
2xy2+2x2ydxdy−3xdxdy=3y
Move the expression to the right side
2x2ydxdy−3xdxdy=3y−2xy2
Collect like terms by calculating the sum or difference of their coefficients
(2x2y−3x)dxdy=3y−2xy2
Divide both sides
2x2y−3x(2x2y−3x)dxdy=2x2y−3x3y−2xy2
Divide the numbers
dxdy=2x2y−3x3y−2xy2
Divide the numbers
More Steps

Evaluate
2x2y−3x3y−2xy2
Rewrite the expression
2x2y−3x(3−2xy)y
Rewrite the expression
(3−2xy)(−x)(3−2xy)y
Reduce the fraction
−xy
Use b−a=−ba=−ba to rewrite the fraction
−xy
dxdy=−xy
Take the derivative of both sides
dxd(dxdy)=dxd(−xy)
Calculate the derivative
dx2d2y=dxd(−xy)
Use differentiation rules
dx2d2y=−x2dxd(y)×x−y×dxd(x)
Calculate the derivative
More Steps

Evaluate
dxd(y)
Use differentiation rules
dyd(y)×dxdy
Use dxdxn=nxn−1 to find derivative
dxdy
dx2d2y=−x2dxdy×x−y×dxd(x)
Use dxdxn=nxn−1 to find derivative
dx2d2y=−x2dxdy×x−y×1
Use the commutative property to reorder the terms
dx2d2y=−x2xdxdy−y×1
Any expression multiplied by 1 remains the same
dx2d2y=−x2xdxdy−y
Use equation dxdy=−xy to substitute
dx2d2y=−x2x(−xy)−y
Solution
More Steps

Calculate
−x2x(−xy)−y
Multiply the terms
More Steps

Evaluate
x(−xy)
Multiplying or dividing an odd number of negative terms equals a negative
−x×xy
Cancel out the common factor x
−1×y
Multiply the terms
−y
−x2−y−y
Subtract the terms
More Steps

Simplify
−y−y
Collect like terms by calculating the sum or difference of their coefficients
(−1−1)y
Subtract the numbers
−2y
−x2−2y
Divide the terms
−(−x22y)
Calculate
x22y
dx2d2y=x22y
Show Solution