WBJEE 2014 Maths Solved Paper

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Question : 39 of 80

Marks: +1, -0

The solution of the differential equation y

dy

dx

= x [

y2

x2

+

ϕ(

y2

x2

)

ϕ′(

y2

x2

)

] is (where c is constant)

ϕ(
y2
x2
) = cx
xϕ (
y2
x2
) = c
ϕ (
y2
x2
) = cx2
x2ϕ (
y2
x2
) = c

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