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1971 Canadian MO Problems

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Contents

Problem 1

DEB is a chord of a circle such that DE=3 and EB=5 . Let O be the center of the circle. Join OE and extend OE to cut the circle at C. Given EC=1, find the radius of the circle

Image:CanadianMO_1971-1.jpg


Solution

Problem 2

Solution

Problem 3

Solution

Problem 4

Determine all real numbers a such that the two polynomials x^2+ax+1 and x^2+x+a have at least one root in common.


Solution

Problem 5

Solution

Problem 6

Solution

Problem 7

Solution

Problem 8

Solution

Problem 9

Solution

Problem 10

Solution

Resources

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