ashi's user avatar
ashi's user avatar
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ashi
  • Member for 6 years, 9 months
  • Last seen more than 1 year ago
  • Dhanbad
8 votes
2 answers
228 views

Prove that if $7^n-3^n$ is divisible by $n>1$, then $n$ must be even.

8 votes
1 answer
100 views

Divisibilty of $1^{101} + 2^{101} + 3^{101}+ 4^{101}+\cdots+2016^{101}$ [duplicate]

  • 2,018
7 votes
6 answers
310 views

Find the sum of $-1^2-2^2+3^2+4^2-5^2-6^2+\cdots$

  • 4,664
3 votes
1 answer
2k views

Variation of argument of a complex function

  • 12.5k
3 votes
2 answers
2k views

Solve for $x$ in the $80^\circ$-$80^\circ$-$20^\circ$ triangle [closed]

  • 6,814
1 vote
3 answers
82 views

PARABOLA : Problem

  • 105
1 vote
2 answers
83 views

If $a,b,c>0\;,$ Then value of $\displaystyle \lfloor \frac{a}{b+c}+\frac{b}{c+a}+\frac{c}{a+b}\rfloor $,

  • 50.3k
0 votes
1 answer
48 views

basic math problem relating to log thought my answer is not matching with the alternative

0 votes
3 answers
104 views

Solutions to the diophantine equation $6x^2 - 6x - y^2 + y=0$?

  • 4,888