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AvZ's user avatar
AvZ
  • Member for 9 years, 9 months
  • Last seen more than 2 years ago
20 votes
Accepted

How many 0's are in the end of this expansion?

7 votes
Accepted

Integral solutions to $x_1 \cdot x_2 \cdot x_3 \cdot x_4 = 210$

6 votes
Accepted

Number of solutions of the equation $x_1 + x_2 + x_3 = 9$

5 votes
Accepted

Which can be logically inferred from the given statements?

4 votes
Accepted

Natural solutions to $4^n + 2^{n + 1} = 2^{k}$

3 votes
Accepted

Getting a specific formula for a sequence.

3 votes

prove that $\binom{n}{0}^2+\binom{n}{1}^2+\binom{n}{2}^2+\cdots+\binom{n}{n}^2=\binom{2n}{n}$

3 votes

Prove that for any natural number $n$ there exists a prime number $p$ greater than $n$

3 votes

Probability of $(a+b\omega+c\omega^{2})(a+b\omega^{2}+c\omega)=1$

2 votes
Accepted

24 possible combinations?

2 votes
Accepted

How many combinations of 3 or less blocks in 6 holes?

2 votes
Accepted

Probability: busy street intersection problem

2 votes
Accepted

Number Theory using an induction proof

2 votes
Accepted

Parabola properties assumptions

2 votes

Probability that, with six girls and six boys in a row, all the girls sit together?

1 vote

How To Find The Length Of An Irregular Arc

1 vote

How to prove this floor function equation?

1 vote

I want to solve the equation

1 vote

$x$-value of $(+)$ meeting point of unit circle and $y=x^2$

1 vote
Accepted

Trailing zeroes in binomial coefficient

1 vote

Why Are There No Solutions To $2^x \equiv 3\pmod{9}$?

1 vote

Can someone calculate with modulo calculator this??

1 vote

Probablity in dice game

1 vote

Convert 1-5 Grading Scale to 1-100 Grading System

1 vote
Accepted

How many $6$ digit numbers have their digits in increasing order?

1 vote

Find maximum and minimum of $f(x,y)=x+y$

1 vote

Solve for $m$ in $d^m = n$

1 vote

Find $\int\frac{dx}{2+\sqrt{x}}$ (using Integration by Substitution)

1 vote
Accepted

Using the factorization method with variables.

0 votes

Area between two curves. Split so that it is equal.