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F xy
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F xy
f xy
if xy log(x+y)u003d1 prove that (dy)/(dx)u003d-(y(x^(2)y+x+y))/(x(xy^(2)+x+y))
if xy 4 z+6 x+y
if xy u003dex-y then dy/dx is
if xy is 180 hcf(x y)u003d3
if xy log(x+y)u003d1
if xy u003d ex-y prove that dydxu003dlogx(1+logx)2
if xy u003d yx then
if xy u003d ex-y
f xy meaning
