Question

difrrential of √x*2+y*2=log(x*2_y*2)​

Answer 1

[Note : refer the attachments for the step by step explanation ]

Q]diffrential of √(x^2+y^2)=log(x^2-y^2)

$\boxed{\textbf{\large{Answer}}}$

dy / dx

=( x / y ) x ([ 2 √(x^2 + y^2) - (x^2 - y^2) ] /[ 2√( x^2 + y^2 ) + (x^2 - y^2)])

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