A Lot of Numbers
Source: 2000 National High School Mathematics League, Exam One, Problem 4
March 10, 2020
geometric seriesarithmetic sequence
Problem Statement
Give positive numbers , if is a geometric series, is an arithmetic sequence. Then, wich is true about the equation ?
It has no real roots.
It has two equal real roots.
It has two different real roots, and their product is positive.
It has two different real roots, and their product is negative.