Changes
From Karnataka Open Educational Resources
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, 10:19, 13 August 2014
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| = Hints for difficult problems = | | = Hints for difficult problems = |
− | Find two numbers whose arithmetic mean exceeds their geometric mean by 2, and whose harmonic mean is one-fifth of the larger number .[[Class10_progressions_problems#Problem 3|solution]] | + | #Find two numbers whose arithmetic mean exceeds their geometric mean by 2, and whose harmonic mean is one-fifth of the larger number .[[Class10_progressions_problems#Problem 3|solution]]<br> |
| + | #If 'a' be the arithmetic mean between 'b' and 'c', and 'b' the geometric mean between 'a' and 'c', then prove that 'c' will be the harmonic mean between 'a' and 'b'.[[Class10_progressions_problems#Problem 4|solution]] |
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| = Project Ideas = | | = Project Ideas = |
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| = Math Fun = | | = Math Fun = |