Kwadroottaal

En kwadroottaal komt diarbi ütj, wan dü en hial taal mä ham salew moolnamst.

Mä 16 (= 4 x 4) lööpern könst dü en kwadroot furme.

Bispal: $144=12\cdot 12$ .

A iarst kwadroottaalen san:

0, 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225, 256, 289, 324, 361, 400, 441, 484, 529, 576, 625, 676, 729, 784, 841, 900, 961, 1024, 1089, 1156, 1225, 1296, 1369, 1444, 1521, 1600, 1681, 1764, 1849, 1936, 2025, 2116, 2209, 2304, 2401, 2500, …

Enkelten tääl det nul (0) diar ei mä tu.

Di nööm kwadroottaal komt faan det geomeetrisk figuur kwadroot. Wan dü mä likegrat stianer of lööpern en kwadroot furemst, so üs üüb det tiaknang rochts, do brükst dü en kwadroottaal faan stianer.

Reegel

Arke kwadroottaal $n^{2}$ as det sum faan a iarst $n$ ünlik natüürelk taalen.

{\begin{aligned}&1&=1&=1^{2}\\&1+3&={4}&=2^{2}\\&1+3+5&={9}&=3^{2}\\&1+3+5+7&=16&=4^{2}\\&&\vdots &\end{aligned}}

Det tiaknang wiset, huaram det so as. Wan dü det n-kwadroot grater maagest, brükst dü leewen 2n + 1 stianer muar.


$0+\color {blue}1\color {black}=1$	$1+\color {blue}3\color {black}=4$	$4+\color {blue}5\color {black}=9$	$9+\color {blue}7\color {black}=16$

Luke uk diar

Commonskategorii: Kwadroottaalen – Saamlang faan bilen of filmer

Triihuktaalen

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