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Activities - progressions problems (view source)
Revision as of 04:34, 13 August 2014
, 04:34, 13 August 2014→Algorithm
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>
We also write this as b^{2} = ac.<br>
We also write this as <math>\b^{2}</math> = ac.<br>
Now substitute
Now substitute