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The ratio of the A.M. and G.M. of two po...

The ratio of the A.M. and G.M. of two positive numbers a and b, is m : n. Show that `a:b =(m+sqrt(m^2-n^2)):(m-sqrt(m^(2)-n^2))` .

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NCERT BANGLISH-SEQUENCES AND SERIES-Miscellaneous Exercise On Chapter 9
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  7. The ratio of the A.M. and G.M. of two positive numbers a and b, is m :...

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  11. Find the sum of the first n terms of the series: 3+ 7 +13 +21 +31 +......

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