S = 4s Visualize an equilateral triangle. Now mark the midpoints... the central triangle must also have 1 - 3/4 = 1/4 of the original triangle' s area. And if we draw a circle that circumscribes that central triangle...

1 Answers · Science & Mathematics · 18/04/2016

1/[ s ( s ² + 26s + 233)] = (A/ s ) + (Bs + C)/( s ² + 26s + 233) Multiply both... = -26/233 So you have to invert (1/233)[(1/ s ) - ( s + 26)/( s ² + 26s + 233)] Write s ² + 26s + 233 as...

1 Answers · Science & Mathematics · 18/06/2012

To mind one' s Ps and Qs is an English phrase meaning to mind...39; s behaviour. It is sometimes written mind one' s P' s and Q' s (though some feel that apostrophes ...

9 Answers · Education & Reference · 14/08/2007

inf S = -1, and sup S = 1. For inf S , note that 1/n - 1/m <...m, n in N. Hence, -1 is a lower bound for S . To show that S is the greatest lower ...

1 Answers · Science & Mathematics · 20/07/2011

P. S . stands for postscript, or post scriptum if you want to get fancy. Basically it' s just a note (script) added to the end (post) of the note. S .O. S doesn't have a clear etymology. In morse code, it' s ...

6 Answers · Education & Reference · 07/01/2009

s (2) = 2^3 - 3 * 2 + 4 s (2) = 8 - 6 + 4 s (2) = 2 + 4 s (2) = 6 *******

6 Answers · Science & Mathematics · 10/07/2009

s *** i don't know!?

2 Answers · Society & Culture · 16/04/2008

s = x - vt + k*ln(x/ s ) s = k*W(e^((x/k) - (ty/k)) * x/k), where W() is the Product Log Function

1 Answers · Science & Mathematics · 21/09/2015

Note that s ^4 + s ^2 + 1 = ( s ^4 + 2s^2 + 1) - s ^2 = ( s ^2 + 1)^2 - s ^2 = ( s ^2 + 1 + s )( s ^2...difference of squares. So, partial fractions yields ( s ^2 + 2)/( s ^4 + s ^2 + 1) = (As + B)/( s ^2 + s + 1) + (Cs + D...

1 Answers · Science & Mathematics · 02/06/2014

1/( s +a) + 1/( s +b) = 1/c . c( s +b) + c( s +a) = ( s +a)( s +b) . cs +cb +cs+ ca = s ^2 +sb... quadratic formula . (a=(1),,,,b=(a+b-2c),,,,c=(ab-ca-cb) . s = [-(a+b-2c) +/- sqrt{ (a+b-2c)^2 -4(1)(ab-ca-cb)}] / 2(1) . s = [2c-a...

1 Answers · Science & Mathematics · 07/11/2010