Art of Problem Solving
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2016 AIME I Problems/Problem 7: Difference between revisions

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Find the number of ordered pairs of integers <math>(a,b)</math> such that this complex number is a real number.
Find the number of ordered pairs of integers <math>(a,b)</math> such that this complex number is a real number.
== See also ==
{{AIME box|year=2016|n=I|num-b=6|num-a=8}}
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Revision as of 16:55, 4 March 2016

Problem

For integers $a$ and $b$ consider the complex number \[\frac{\sqrt{ab+2016}}{ab+100}-({\frac{\sqrt{|a+b|}}{ab+100}})i\]

Find the number of ordered pairs of integers $(a,b)$ such that this complex number is a real number.

See also

2016 AIME I (ProblemsAnswer KeyResources)
Preceded by
Problem 6
Followed by
Problem 8
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
All AIME Problems and Solutions

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