NDA2021MathematicsSequences and SeriesActual
The third term of a GP is 3 . What is the product of its first five terms?
Options
- A81
- B243
- C729
- DCannot be detennined due to insufficient data
Correct answer
B. 243
Step-by-step solution
Let G.P. is 3 r^2 , 3 r , 3,3 r and 3 r^2 Product = 3 r^2 3 r 3 3 r 3 r^2=(3)^5=243 .