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
Kushal Jain Grade: 10
        
if ‘n’ is an odd integer then show that n2 – 1 is divisible than 8 ?
2 years ago

Answers : (1)

Nicho priyatham
626 Points
										
any odd integer n=2k+1(say)k= integer
now n2-1=(n-1)(n+1)
=2k(2k+2)=4k(k+1) 
now product of any 2 concutive numbers is divisible by  2
so4k(k+1) is divisible by 8 
PLZ APPROVE IF useful and incase of any doubts ask in ans box
2 years ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies
  • Complete AIPMT/AIIMS Course and Test Series
  • OFFERED PRICE: Rs. 15,900
  • View Details
  • 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