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Apr
11
accepted Probability of receiving a correct packet of N bits
Apr
11
comment Probability of receiving a correct packet of N bits
Perfect! Should have defined X the way you did/was asked for. Thank you!
Apr
11
comment Probability of receiving a correct packet of N bits
@HagenvonEitzen that is true. But can we still solve this assuming they are independent?
Apr
11
revised Probability of receiving a correct packet of N bits
added 38 characters in body
Apr
11
asked Probability of receiving a correct packet of N bits
Dec
20
awarded  Constituent
Dec
15
awarded  Caucus
Dec
1
comment Solving a question about inclusion exclusion principle
Thanks for the clear explanation! I was over thinking this problem :/
Dec
1
accepted Solving a question about inclusion exclusion principle
Nov
29
revised Solving a question about inclusion exclusion principle
edited body; edited tags
Nov
29
asked Solving a question about inclusion exclusion principle
Nov
28
revised % of % - Please Help Me Prove My Friend Wrong
added 75 characters in body
Nov
28
answered % of % - Please Help Me Prove My Friend Wrong
Nov
26
comment Quadratics with roots as integers; possible values of a
@Ant apparently this guy: artofproblemsolving.com/Wiki/index.php/…
Nov
21
comment Using Vieta's Formulas to find expression involving polynomial roots
You might want to explain how you got values for a1, a2, and a3...rather than a link
Oct
17
comment Show that $\int_{-\pi}^{\pi} f = 2\int_0^\pi f $
HINT: What are the properties of an even function? And yeah you are almost there :P
Sep
24
awarded  Autobiographer
Jun
17
comment Derivation of the formula for the vertex of a Parabola
+1 for the "visual" solution. I didn't realize you were talking about the derivative until you derived it.
Jun
17
comment Why are higher-degree polynomial equations more difficult to solve?
@Mathemert here is a good algebraic derivation: purplemath.com/modules/sqrvertx2.htm
May
9
suggested rejected edit on use the fact that $\tan 2x=\sin2x \ /\cos2x$ to prove that $\tan 2x=2\tan x/(1-\tan^2x)$