Find the Mean Proportion:
(a+b)* (a-b)^3 , (a+b)^3 *(a-b)

February 25th 2010, 10:35 PM

Grandad

Hello snigdha

Quote:

Originally Posted by snigdha

Find the Mean Proportion:
(a+b)* (a-b)^3 , (a+b)^3 *(a-b)

The Mean Proportion of two numbers is, I think, what is more usually called the Geometric Mean, and is the square root of their product. So if is the mean proportion of and , then