-2/k=3k/k
sen( π/6)
$\pi$ 8
1796630
33940680
30547192
5511820
7005866
4985544
14007166
12787616
14300926
12809861
\frac{x\ -2}{4}\ge \frac{9}{x\ +\ 3}
cos( π/6)
6-6
0.615 raise to 13
Fit a straight line for the following population data by using least square method:
Year: 2000 2005 2010 2015 2020
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an+an-1=3n2^n solve difference equation