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archangel89

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 6 years
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  • Last seen Jan 13 at 14:12

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10 $(123)!$ divided by $(25!)^x$. What is the maximum possible integral value of $x$? Dec 31 '14
10 Find the highest power of two in the expression. Jan 12 '15
7 How many natural numbers less than 200 will have 12 factors/divisors? Jan 7 '15
6 Find least possible number of factors Jan 5 '15
5 What is the coefficient of $x^{18}$ in the expansion of $(x+x^{2}+x^{3}+x^{4}+x^{5}+x^{6})^{4}$? Jan 8 '15
5 Time and distance: Police and a thief with a twist. Apr 15 '15
3 If $f(x)=4x^2+ax+a-3$ is negative for at least one negative $x$ find all possible values of $a$ Jun 30 '15
3 How to solve the complex root $z^\sqrt5 =1$ with square root? Nov 15 '17
3 How many sets of two factors of 360 are coprime to each other? Jan 1 '15
3 Find the number of natural numbers Jan 6 '15
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