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The third term of a G.P. is b and its co...

The third term of a G.P. is b and its common ratio is r , then its first term =

A

`(r )/(b)`

B

`(b)/(r )`

C

`(b)/(r^(2))`

D

`(r )/(b^(2))`

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • The first term of an infinite G.P. is a and its sum is 3, then-

    A
    `a gt 6`
    B
    `-5 lt a lt 0`
    C
    `0 le a le 6`
    D
    `0 lt a lt 6`

  • IF first term of an infinite G.P. is x and its sum is 5, then-

    A
    `0 lt x lt 10`
    B
    `0 lt x le 10`
    C
    `-10 lt x lt 0`
    D
    `0 le x le 10`

  • If the first term of an A.P. is 2 and common difference is 4, then the sum of its first 40 terms is-

    A
    3200
    B
    1600
    C
    2000
    D
    2800

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