The first two terms of a geometric progr...

The first two terms of a geometric progression add up to 12. The sum of the third and the fourth terms is 48. If the terms of the geometric progression are altermately positive and negative then the first term is

A

`-4`

B

`-12`

C

12

D

4

Text Solution

Verified by Experts

The correct Answer is:

B

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Knowledge Check

Which term of the Arithmetic Progression 24, 21, 18, ……. Is the first negative term?

A

`8^(th)`

B

`9^(th)`

C

`10^(th)`

D

`12^(th)`

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