x dx + y + dy + c ?{(1-x2/a2-y2/b2)}dz = 0

Posted on 2014-03-29 10:04:00 in Math by HENRY

show that the curves of :-

x dx + y + dy + c ?{(1-x²/a²-y²/b²)}dz = 0  ......(1)

that lie on the ellipsoid

           x2/a2 + y2/b2 + z2/c2 = 1        .....(2)

lie also on the family of concentric spheres.

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