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
Grade:
        

f(N)=[N/1] + [N/2] + [N/3]+ ....+ [N/N] . Find f(64)-f(63).

10 years ago

Answers : (1)

askIITianexpert IITDelhi
8 Points
							

If you could reason carefully you see f(N+1)-f(N)=no. of factors og N+1.

Because only for these numbers(factors of N+1) ; [N+1/these no.]=[N/these no.]+1.

You could verify it for any no. N.

f(64)-f(63)=7  ;{factors of 64 are 1,2,4,8,16,32,64}.

10 years ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies


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


Ask Experts

Have any Question? Ask Experts

Post Question

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