Search found 244 matches

by Nadim Ul Abrar
Wed Jun 15, 2011 6:09 pm
Forum: Higher Secondary Level
Topic: Plz someone help me to solve this problem.
Replies: 10
Views: 4643

Re: Plz someone help me to solve this problem.

You need to know the theorem that,
If n is any number such that
n=p^{a}p'^{b}........
Where p,p'.......
Then
the number of factors will be
(a+1)(b+1).....
And thats the number of divisor tooo;)
by Nadim Ul Abrar
Sun Jun 12, 2011 5:28 pm
Forum: National Math Camp
Topic: Problems of the day (Day 1)
Replies: 9
Views: 3399

Re: Problems of the day (Day 1)

Moon Bhaia , Ans Ta Hoise Na.????
by Nadim Ul Abrar
Sun Jun 12, 2011 5:27 pm
Forum: National Math Camp
Topic: Problems of the day (Day 1)
Replies: 9
Views: 3399

Re: Problems of the day (Day 1)

Prob.2
(a,b)=(1,1)
Proof Amar Cache Ache But Likhte Eccha Korche na :-)
by Nadim Ul Abrar
Sat May 07, 2011 12:48 pm
Forum: Secondary Level
Topic: 7 divide $n^7-n$
Replies: 6
Views: 2557

Re: 7 divide $n^7-n$

n^6=1 mod 7
=> n^7/n= 1 mod 7
=> n^7-n=0 mod 7