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  • 12 votes cast
Mar
21
comment Proving that two expressions are equivalent
Sorry, this is a regular expression, where the * is zero or more (the kleene star), and the | is "or". Thank you for trying to help ~
Dec
25
comment How to solve a literal equation
Thank you so much David! ^^
Dec
18
comment Simple logarithmic equation
Thank you very much for your thoughtful and thorough answer! I appreciate it very much!
Dec
17
comment Simple logarithmic equation
I got to that, but I'm not sure where to go from this stage. I might divide it but I am not permitted a calculator.
Nov
23
comment Finding degree of expression
Could you also please show me how to solve $-n 2^{n-1}=192$? Thanks!
Nov
23
comment Finding degree of expression
Thanks! Just on two little parts, how would you solve $-n\cdot2^{n-1}=-192$ and how did you get $\frac{n!}{(n-1)!}(2a)^{n-1}=-n\cdot2^{n-1}a^{n-1}$?
Nov
23
comment Binomial theorem application
Slow(er), but amazing answer! Thanks ^^
Nov
22
comment Binomial theorem application
Thanks so much ! ^^
Nov
22
comment Binomial theorem application
Thanks for your clear answer! I understand the latter part, but can you please explain how A, B and C are also equal to it? I've just come out of high school in a poor district with sub-par math teaching and I'm trying to catch back up again.
Nov
22
comment Binomial theorem application
Sorry, can you please explain how A, B and C are also equal to it? I've just come out of high school in a poor district with sub-par math teaching and I'm trying to catch back up again.