What is the arithmetic mean of x and y if… | ClassNotes

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What is the arithmetic mean of x and y if… | ClassNotes

E

Editor

Sep 18, 2022

What is the arithmetic mean of x and y if \frac{1}{x}=\frac{1}{z}-\frac{1}{y} and xy=z?

Difficulty: Easy

A:

1

B:

1/2

C:

\frac{x+y+z}{3}

D:

\frac{x+y}{2}

ID: 63273db5ca83163ac3a0a135