x3=729/2197 and y3=9216/42875, then find x+y

Dear student
There is mistake in your question.y3 should be 926142875Now,x3=7292197=9133x=913and y3=926142875=21353y=2135=35So, x+y=913+35=45+3965=8465
Regards

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Check the question, y must be equal to 9261
x3 = 729/2197 = (9/13)3
So, x= 9/13
Now, y3 = 9261/42875 = (21/35)3
So, y= 21/35 = 3/5
Hence, x+y = 9/13 + 3/5 = 84/65 = 1.2930
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