2016 AMC 10B Problems/Problem 3: Difference between revisions
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Substituting carefully, <math>\Bigg\vert\Big\vert 2016-(-2016)\Big\vert-2016\Bigg\vert-(-2016)</math> | Substituting carefully, <math>\Bigg\vert\Big\vert 2016-(-2016)\Big\vert-2016\Bigg\vert-(-2016)</math> | ||
becomes <math>|4032-2016|+2016=2016+2016=4032</math> which is <math>\textbf{(D)}</math>. | becomes <math>|4032-2016|+2016=2016+2016=4032</math> which is <math>\boxed{\textbf{(D)}}</math>. | ||
==Solution 2== | ==Solution 2== | ||
Revision as of 21:10, 25 January 2018
Problem
Let 
. What is the value of 
?
Solution
Substituting carefully, 
becomes 
which is 
.
Solution 2
Solution by e_power_pi_times_i
Substitute 
into the equation. Now, it is 
. Since 
, it is a positive number, so 
. Now the equation is 
. This further simplifies to 
, so the answer is 
See Also
| 2016 AMC 10B (Problems • Answer Key • Resources) | ||
| Preceded by Problem 2 |
Followed by Problem 4 | |
| 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 | ||
| All AMC 10 Problems and Solutions | ||
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