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Maths p3

Thread starter nawaz21
Start date Jun 4, 2015

Jun 4, 2015

#1

N

nawaz21

may june 2010 paper 3 question 6

xlny=2x+1
Show that dy/dx=-y/x^2

Jun 5, 2015

#2

N

nawaz21

Thanks a lot

Jun 7, 2015

#3

D

Devinky

divide the equation by x then differentiate both sides.
or just do implicit differentiation.

Jun 8, 2015

#4

N

nawaz21

I have used implicit differentiation
x/y+ln y=2
And then what should I do...

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