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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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OMEGA PUBLICATION-SEQUENCE AND SERIES -IMPORTANT QUESTIONS FROM MISCELLANEOUS EXERCISE
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  3. The sum of three numbers in G.P. is 56. If we subtract 1, 7, 21 from t...

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  6. If a(1/b +1/c) , b(1/c +1/a), c(1/a + 1/b) are in A.P. Prove that a,b,...

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  8. The ratio of the.A.M. and G.M. of two positive numbers a and b is m : ...

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  9. Find the sum to.n terms of the following series 5+ 55 + 555+………..

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  10. Find the sum to n terms 0.6 + 0.66 + 0.666 + ………..

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  12. Find the sum of first n terms of the series. 3+7 + 13 + 21 + 31 + ……...

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  14. Show that : (1 xx 2^2+2 xx 3^2+. .+n xx(n+1)^2)/(1^2 xx 2+2^2 xx 3+. ...

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  15. Let S be the sum, P the product and R the sum of reciprocals of n term...

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