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
Menu
ram Grade: 11
        
if     s1,s2,s3 are the sum of first n natural numbers their squares their cubes respectively then s3{1+8s1}/s22is equal to 
2 years ago

Answers : (1)

ashish
22 Points
										
S3(1+8S1)/S2.S2=.6.6n2(n+1)2 [1+4n(n+1)]/4.n.(n+1).(2n+1).n.(n+1).(2n+1)
    By solving above ,We get
                          =36/9
 
                           =4
 
2 years ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies
  • Complete JEE Main/Advanced Course and Test Series
  • OFFERED PRICE: Rs. 15,900
  • View Details

Ask Experts

Have any Question? Ask Experts

Post Question

 
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!! Click Here for details