Difference between revisions of "1958 AHSME Problems/Problem 6"
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==Solution== | ==Solution== | ||
− | + | We have <math> \frac{1}{2}\cdot \left(\frac{x + a}{x} + \frac{x - a}{x}\right) = \frac{2}{2} = \boxed{\text{(B) }{1}}</math>. | |
− | {{ | ||
==See also== | ==See also== | ||
{{AHSME box|year=1958|num-b=5|num-a=7}} | {{AHSME box|year=1958|num-b=5|num-a=7}} |
Revision as of 12:21, 4 June 2011
Problem
The arithmetic mean between and , when , is:
Solution
We have .
See also
1958 AHSME (Problems • Answer Key • Resources) | ||
Preceded by Problem 5 |
Followed by Problem 7 | |
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 • 26 • 27 • 28 • 29 • 30 | ||
All AHSME Problems and Solutions |