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Arthur Yardley

· started a discussion

· 1 Months ago

This is wrong. (Question: 252306.0 )

Can you please give an exact solution without substituting?
a^3 - 3a = xy + (1/xy) is all i am getting.

Question:
If a = \(\sqrt[3]{xy}+\cfrac{1}{\sqrt[3]{xy}}\), then the value of a3 – 3ay – x is —
Options:
A) \(\cfrac{y^2}{x}\)
B) \(\cfrac{x^2}{y}\)
C) \(\cfrac{a^2}{x}\)
D) \(\cfrac{a^2}{y}\)
Solution:
Ans: (a)


rohit24792

· commented

· 1 Months ago

How much score in these tests is considered good.....?
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