CBSE Class 10 Answered
1Q. Show that n^2-1 is divisible by 8 , if n is an odd positive integer.
To solve this problem, why the value of n is taken as 4q+1 or 4q+3?
How to solve if n is taken as 2q+1?
Asked by vandana.bihari.vb | 08 Feb, 2020, 11:22: AM
Expert Answer
You can find the answer by clicking the link below
now odd number is represented by 2n + 1,
but here it is to prove that it will be divisible by 8, so we take 4n + 1, numbers greater than 4n.
Since no number less than 4n will be divisible by 8 so no need to include those.
Answered by Arun | 08 Feb, 2020, 04:57: PM
Application Videos
Concept Videos
CBSE 10 - Maths
Asked by raopaidi | 25 Apr, 2024, 04:06: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by aditikaldate7 | 21 Apr, 2024, 03:16: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by pathaksuman622 | 21 Apr, 2024, 11:56: AM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by yalagondanikhil | 16 Apr, 2024, 12:25: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by rrajansinghakb199 | 08 Apr, 2024, 05:12: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by nagalaxmidurgarao937 | 08 Apr, 2024, 01:42: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by mraniruddha03 | 02 Apr, 2024, 06:44: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by muttenenimalleswarrao | 29 Mar, 2024, 08:32: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by pathakvaishnavi9139 | 23 Mar, 2024, 10:45: AM
ANSWERED BY EXPERT