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A hollow cone is cut by a plane parallel to the base and the upper portion is removed.if curved surface of remainder is 8/9 of the curved surface of the whole cone find the ratio of the line segments into which the altitude of the cone is divided by the plane.
January 8, 2018
Class 10 - Mathematics
sir, what is the chemical difference between the chemical propoerties of carboxlic acid ethanol and ethanoic acid
January 3, 2018
Class 10 - Chemistry
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