maths.gneet
Study Companion
For more CA foundation questions on differential calculus
Visit www.gneet.com
EXERCISE 8 A Q.15
Q.15) If f(x, y) = x
3
+ y
3
– 3axy = 0, then dy/dx can be found out as
a)
Try again
b)
CORRECT
c)
Try again
d) none of these
Try again
Solution :
If f(x, y) = x
3
+ y
3
– 3axy = 0,
Diff.w.r.t. x, we get