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Activities - progressions problems (view source)
Revision as of 17:12, 12 August 2014
, 17:12, 12 August 2014→Algorithm
Line 180:
Line 180:
2ab = <math>\frac{ab(b + c)} {a}</math><br>
2ab = <math>\frac{ab(b + c)} {a}</math><br>
Cancel 'a' in Right hand side we get<br>
Cancel 'a' in Right hand side we get<br>
−2ab = b^2 + bc ---------->1
+2ab = b^{2} + bc ---------->1
Also 'b' is the geometric mean between 'a' and 'c'<br>
Also 'b' is the geometric mean between 'a' and 'c'<br>
That is b = <math>\sqrt{ac}</math><br>
That is b = <math>\sqrt{ac}</math><br>