1971 Canadian MO Problems: Difference between revisions
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== Problem 4 == | == Problem 4 == | ||
Determine all real numbers <math>a</math> such that the two polynomials <math>x^2+ax+1</math> and <math>x^2+x+a</math> have at least one root in common. | |||
[[1971 Canadian MO Problems/Problem 4 | Solution]] | [[1971 Canadian MO Problems/Problem 4 | Solution]] | ||
== Problem 5 == | == Problem 5 == | ||
Revision as of 11:53, 8 October 2007
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Problem 1
is a chord of a circle such that
and
Let
be the center of the circle. Join
and extend
to cut the circle at
Given
find the radius of the circle
Problem 2
Problem 3
Problem 4
Determine all real numbers
such that the two polynomials
and
have at least one root in common.
