Difference between revisions of "1950 AHSME Problems/Problem 11"
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Revision as of 11:58, 5 July 2013
Problem
If in the formula ,
is increased while
,
and
are kept constant, then
:
Solution
Assume that the constants are positive, as well as
WLOG let
and
all equal
Then
We can see that as
increases from
it slowly approaches
Therefore,
If and
were positive and
was negative, then
would decrease, for example.
See Also
1950 AHSC (Problems • Answer Key • Resources) | ||
Preceded by Problem 10 |
Followed by Problem 12 | |
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 • 31 • 32 • 33 • 34 • 35 • 36 • 37 • 38 • 39 • 40 • 41 • 42 • 43 • 44 • 45 • 46 • 47 • 48 • 49 • 50 | ||
All AHSME Problems and Solutions |
The problems on this page are copyrighted by the Mathematical Association of America's American Mathematics Competitions.