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11-02-2017
Mathematics

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I f 5 x 2 − 2 x y + 7 y 2 = 0 t h e n d y d x =

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remibell remibell

11-02-2017

do u want the first or second derivative
df/dx= 10-2y, df/dy= -2y+14,
then second deriv is df/dxdy=-2
df/dydx=0

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