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Balaji Mukul Mistry
Asked: 2022-10-31T09:05:09+05:30 In:

In a GP, if the fourth terms is the square of the second term, then the relation between the first term and common ratio is ____.
A. `a =r`
B. `a = 2r`
C. `2a = r`
D. `r^(2) = a`

In a GP, if the fourth terms is the square of the second term, then the relation between the first term and common ratio is ____.
A. `a =r`
B. `a = 2r`
C. `2a = r`
D. `r^(2) = a`
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1 Answer

  1. Correct Answer – A
    `t_4 = t_2^(2)`
    `rArr ar^(3) = (ar)^(2) rArr ar^(3) = a^(2)r^(2) rArr r =a`.

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