user1068636

97 Questions

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How do I see if $a^3+b^3=c^3+d^3$ has any solutions where $1 \le a,b,c,d \in \mathbb{Z} \le 1000$ and $a \ne b \ne c \ne d$?

May 30 at 3:48 user1068636 1,191

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What is the best way to teach mathematical analysis via YouTube videos? [closed]

Feb 2 '18 at 17:16 sumit goyal 65

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How do you show {$x \in \mathbb{R}|f_1(x)=f_2(x)$} is open?

Oct 2 '18 at 21:13 user1068636 1,191
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How do you prove $X_n=sin(n\omega)$ diverges for a uniform random variable $\omega \in [0,1]$?

Nov 14 '17 at 0:02 user1068636 1,191

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How do you solve for bounds when performing trig substitution and knowing solving the trig functions yields multiple correct values of $\theta$?

Oct 22 '16 at 17:32 user1068636 1,191

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