# Calculus

posted by
**Salman**
.

Find the partial derivative y with respect to s for the following function:

y=[((x1)^2)+(x1)(x2)+((x2)^2)]/((x1)+(x2))

where x1=s+2 and x2=s^2+t^2+t .

x1 means x subscript 1

x2 means x subscript 2