What are the differences between the centers and spreads of these
2 answers:
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Implicit differentiation, yeah
hmm, never seen derivitive of 3 of them before
let's distribute
x²y+xy²=84
implicit differntiation
remember, dy/dx f(x)g(x)=f'(x)g(x)+f(x)g'(x)
and dy/dx y=dy/dx
so
2xy+x² dy/dx+y²+2xy dy/dx=0
solving for dy/dx
minus (2xy+y²) from both sides
x² dy/dx +2xy dy/dx=-2xy-y²
undistribute dy/dx
dy/dx(x²+2xy)=-2xy-y²
divide both sides by (x²+2xy)
at (3,4)
evalaute for x=3 and y=4
hmm, never seen derivitive of 3 of them before
let's distribute
x²y+xy²=84
implicit differntiation
remember, dy/dx f(x)g(x)=f'(x)g(x)+f(x)g'(x)
and dy/dx y=dy/dx
so
2xy+x² dy/dx+y²+2xy dy/dx=0
solving for dy/dx
minus (2xy+y²) from both sides
x² dy/dx +2xy dy/dx=-2xy-y²
undistribute dy/dx
dy/dx(x²+2xy)=-2xy-y²
divide both sides by (x²+2xy)
at (3,4)
evalaute for x=3 and y=4