Posted by NGOFAKA on .
if sqrt(y)=(arctan)tan1(x), show that (1+x^2)dy/dx((1+x^2)dy/dx)=2

Maths 
bobpursley,
I cant decipher what this means.
(arctan)tan1(x).
do you mean arctan (x) ?
Posted by NGOFAKA on .
if sqrt(y)=(arctan)tan1(x), show that (1+x^2)dy/dx((1+x^2)dy/dx)=2
I cant decipher what this means.
(arctan)tan1(x).
do you mean arctan (x) ?