Changes
From Karnataka Open Educational Resources
173 bytes added
, 11:12, 12 August 2014
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| #In this problem 'a' is the arithmetic mean of 'b' and 'c' | | #In this problem 'a' is the arithmetic mean of 'b' and 'c' |
| #They also given that 'b' is the geometric mean of 'a' and 'c' | | #They also given that 'b' is the geometric mean of 'a' and 'c' |
| + | ==What is asked of student== |
| + | #In this problem we prove that 'c' will be the harmonic mean between 'a' and 'b' |
| + | #That is we just show that c = <math>\frac{2ab} {a + b}</math> |