three rings made of gold and set with diamonds are of the same weight.the prices of the rings are rs.a,b,c. and the weights o the diamond are of 3,4,5 units.if the price of the diamond varies as the square of its weight.show that the price of the diamond is 1/2(a+c-2b) and that of one unit weight of diamond is 1/2(9a+7c-16b).given that the making charge of the rings are same.

dwai , 12 Years ago

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