Fifth term of a GP is 2, then the product of its 9 terms is

Fifth term of a GP is 2, then the product of its 9 terms is

  1. 128
  2. 256
  3. 512
  4. 1024

Answer

Fifth term of a GP is 2.

ar4 = 2 

Product required = a * ar * ar2 * ... * ar8

= a9r36

= (ar4)9

= 29

= 512

The correct option is C.