how to find dy/dx if X square+xy+y square=100
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dy/dx = -(2x+y)/(x+2y)
Step-by-step explanation:
we have,,
x²+xy+y² = 100
diff. w.r.t x
2x+(xdy/dx+y×1)+2ydy/dx = 0
2x+y+dy/dx(x+2y) = 0
dy/dx(x+2y) = -(2x+y)
dy/dx = -(2x+y)/(x+2y) ....ans.
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