Click to Chat

1800-1023-196

+91-120-4616500

CART 0

• 0

MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping
`        find the nth term and the sum of n terms of the series 6+9+21+69+261+`
one year ago

Meet
137 Points
```							The gp has been formed in the question, so the general term is as follows- Tr= ar+b+c.4^(r-1), T1=6 ,T2=9, T3=21 so by this equations a=0,b=5,c=1. So put the value in the original equation and get the general term as 5+4^(r-1) so the sum to n terms is 5n+ [(4^(n-1))/3]
```
one year ago
Think You Can Provide A Better Answer ?

## Other Related Questions on Algebra

View all Questions »

### Course Features

• 731 Video Lectures
• Revision Notes
• Previous Year Papers
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Test paper with Video Solution

### Course Features

• 101 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions