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If A.M and G.M. of roots of a quaradrati...

If A.M and G.M. of roots of a quaradratic equation are 8 and 5 respectively , then obtain the quadratic equation.

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`x^2-16x+25=0`
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A N EXCEL PUBLICATION-SEQUENCES AND SERIES-QUESTION BANK
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  4. Suppose a and b are two numbers whose A.M is A. Let G1 and G2 be two G...

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  5. Suppose that a and b are two positive numbers so that their difference...

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  6. Suppose that a and b are two positive numbers so that their difference...

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  7. Find the sum to n terms of the series. 1xx2+2xx3+3xx4+4xx5+............

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  8. Find the sum to n terms of the series 1xx2xx3+2xx3xx4+3xx4xx5+.........

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  9. Find the sum to n terms of the series 3xx1^2+5xx2^2+7xx3^2+……..

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  10. Find the sum to n terms of this series. 1/(1xx2)+1/(2xx3)+1/(3xx4)+....

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  11. Find the sum to of the series 5^2+6^2+7^2+…+20^2

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  12. Find the sum to 'n' terms of the series 3xx8+6xx11+9xx14+…....

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  13. Find the sum to n terms of the series 1^2+(1^2+2^2)+(1^2+2^2+3^2)+...

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  14. Find the sum to n terms of the series whose n^(th) term is n(n+1)(n+4)

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  15. Find the sum to n terms of the series whose n^(th) term is n^2+2^n

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  16. Find the sum to n terms of the series whose n^(th) term is (2n-1)^2

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  17. Match the following

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  18. Find the sum to n terms of the series whose n^(th) term is 2n^3+3n^2-1

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  19. Find the n^(th) term of the series 1+(1+2)+(1+2+3)+..

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  20. Find n^(th) term of the series 1+(1+2)+(1+2+3)+....Find the sum to n...

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