3-04 Implicit Differenation.docx - 1 2yy = 1 y = 1(2y 2 3 4...

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1.2yy' = 1y' = 1/(2y)2. 3. 4.2x+2y dy/dx=0 dx/dx=-x/y5.-x/y=1 -x=y x2+(-x)2=18 x2=9 x=3 y=-3 x=-y (-y)2+y2=18 y=3 x=-3 (3,-3) or (-3,3)6.3 dy/dx e3y= y dv/dx +1 3e

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