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Avinash

· started a discussion

· 1 Months ago

. (Question: 108201.0 )

can any body solve it?

Question:

If the average of two numbers \(x\) and \(\cfrac{1}{x}\) (where \(x\)\(\neq\)0) is A, then what will be the average of \(x^3\) and \(\cfrac{1}{x^3}\)?

Options:
A) 4A3 – A
B) 4A3 – 2A
C) 4A3 – 3A
D) 4A3 – 4A
Solution:
Ans: (c)


Mohisin khan

· commented

· 1 Months ago

put x=1
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