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Three numbers from an increasing G.P. If...

Three numbers from an increasing G.P. If the middle term is doubled the new number are in A.P. The common ratio of G.P will be

A

`2 + sqrt(3)`

B

`2 +- sqrt(3)`

C

`3sqrt(2)`

D

`3 + sqrt(2)`

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The correct Answer is:
B
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NEW JOYTHI PUBLICATION-SEQUENCES AND SERIES -EXERCISE
  1. If log(3)^(2),log(3)(2^(x) - 5) and log(2^(x) - 7/2)are in A.P then th...

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  2. If the sum of first n positive integers is 1/5 times the sum of their ...

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  3. The second term of an A.P is (x - y) and fifth term is (x + y), then t...

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  4. Three numbers are in G.P. if we double the middle term, we get an A.P....

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  5. Three non zero numbers a, b, c are in A.P. Increasing a by 1 or increa...

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  6. If x gt 0 then the sum of the series e^(-x) - e^(-2x) + e^(-3x) .........

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  7. The sum of the series 0.4 + 0.004 + 0.00004 + infty is

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  8. If (1.05)^(50) = 11.658 then sum (n = 1) ^(49) (1.05)^(n) equals

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  9. The product of n positive numbers is 1, then their sum is a positive i...

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  10. If x, y, z are in A.P then e^(-x),e^(-y)and e^(-z) are

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  11. If the sum of the first n terms of a series be 5n^(2) + 2n, then its s...

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  12. If the sum of the first n terms of a series be 5n^(2) + 2n, then its s...

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  13. If A.M and G.M of the roots of a quadratic equation in x are p and q r...

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  14. If the 10^(th)term of G.P is 9 and 4^(th)term is 4 then its 7^(th)term...

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  15. If x gt 1, y gt 1, z gt 1 are in G.P then 1/(1 + log x),1/(1 + log y),...

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  16. Suppose a, b, c are in a.P and a^(2), b^(2), c^(2) are in G.P. If a lt...

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  17. If the 7^(th) term of n A.P is 40. Then the sum of its first 13 terms ...

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  18. An infinite G.P has first 13 term as a and sum 5 , then

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  19. If the sum of p terms of an A.P is equal to sum of q terms (p != q) th...

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  20. Three numbers from an increasing G.P. If the middle term is doubled th...

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