Difference between revisions of "2006 Cyprus MO/Lyceum/Problem 2"
Bbabbitt2003 (talk | contribs) |
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==Solution== | ==Solution== | ||
− | <math> | + | <math>(1+\sqrt{3}) * 2 =(1+\sqrt{3})^2-2^2=1^2+2\sqrt{3}+3-4=2\sqrt{3}</math> |
− | I | + | <math>2\sqrt{3} * \sqrt{2} = 12-2=10</math> |
+ | |||
+ | I think that B was mistyped, and that it is supposed to be 10. | ||
+ | |||
+ | {{wikify}} | ||
==See also== | ==See also== | ||
{{CYMO box|year=2006|l=Lyceum|num-b=1|num-a=3}} | {{CYMO box|year=2006|l=Lyceum|num-b=1|num-a=3}} |
Revision as of 18:17, 19 October 2007
Problem
The operation is defined by . The value of the expression is
A.
B.
C.
D.
E.
Solution
I think that B was mistyped, and that it is supposed to be 10.
See also
2006 Cyprus MO, Lyceum (Problems) | ||
Preceded by Problem 1 |
Followed by Problem 3 | |
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 |