Question
Two numbers differ by 40 and their arithmetic mean exceeds their geometric mean
by 2. What is the harmonic mean of the 2 numbers?
by 2. What is the harmonic mean of the 2 numbers?
Answers
oobleck
a-b = 40
(a+b)/2 = √(ab) + 2
now just solve for a and b and then find h = 2/(1/a + 1/b)
(a+b)/2 = √(ab) + 2
now just solve for a and b and then find h = 2/(1/a + 1/b)