if x^3 = 729/2197 and y^3=9261/42875, then find x+y
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Answer:
588/455
Step-by-step explanation:
X^3 = 729 / 2197
Y^3 = 9261/42875
X + Y = ?
X^3 = 9*9*9/13*13*13
Y^3= 21*21*21/35*35*35
X+Y = 9/13 + 21/35
315+273/455
588/455 is the answer
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