Answer:
y2
= a(b2 ? x2) ?. (1)
Differentiate
it w.r.t. x, we get
2yy?
= a(0 ? 2x)
?.
(2)
Again
differentiate w.r.t. x
yy?
+ y?.y? = ? a
[Using
(2)]
=
0
which
is the required differential equation.
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