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Activities - progressions problems (view source)
Revision as of 10:13, 13 August 2014
, 10:13, 13 August 2014→Algorithm
Line 189:
Line 189:
2ab = c(a + b)<br>
2ab = c(a + b)<br>
Divide both side by (a + b),<br>
Divide both side by (a + b),<br>
−<math>\frac{2ab} {a + b}</math><br>
+<math>\frac{2ab} {a + b}</math>= c<br>
Hence 'c' is the harmonic between 'a' and 'b'.
Hence 'c' is the harmonic between 'a' and 'b'.