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Algebraic!Best ResponseYou've already chosen the best response.0
x/r = cos(theta) y/r = sin(theta) r^2 = x^2 +y^2 have you made those substitutions?
 one year ago

FredyeprBest ResponseYou've already chosen the best response.0
help me you please.... with this
 one year ago

Algebraic!Best ResponseYou've already chosen the best response.0
make those substitutions... tell me what you get...
 one year ago

FredyeprBest ResponseYou've already chosen the best response.0
r= 2x/r + 3 y/r ...........> r2=2x+2y .. ...............> x2 + y2= 2x + 3y > x22x3y+y2= 0... is it correct¿?
 one year ago

Algebraic!Best ResponseYou've already chosen the best response.0
you can clean it up a bit by completing the square on both the x and y terms.. eg.: (x^2 2x) = (x^2 2x +1) 1 = (x1)^2 1
 one year ago

FredyeprBest ResponseYou've already chosen the best response.0
ok ok thanks .... can you help with other¿?
 one year ago

Algebraic!Best ResponseYou've already chosen the best response.0
just sub.s in x=rcos(theta), y=rsin(theta)
 one year ago

FredyeprBest ResponseYou've already chosen the best response.0
rcostheta + rsintheta = 8 ¿?
 one year ago
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