Vidyalelo
Engineering Maths · Q231

Calculus

Engineering and GATE · Engineering Maths · question 231

Q231

Let f ( x, y ) = a x^2 + b y^2 xy, where a and b are constants. If f x = f y at x = 1 and y = 2, then the relation between a and b is

Let     where a and b are constants. If   at x = 1 and y = 2, then the relation between a and b is
A.
B.
C.
a = 2b
D.
a = 4b
Answer

Answer: Option D

Solution

Answer: Option D
No explanation is given for this question Let's Discuss on Board