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Určenie priesečníka dvoch rovín
Urči priesečnicu p týchto dvoch rovín:
\( \normalsize\pi:A\left[2;1;-3\right],B\left[5;-8;-15\right],C\left[1;2;-5\right]{a}\varrho:E\left[1;0;2\right],F\left[-1;2;-2\right],G\left[2;-3;-2\right] \)
\( 4 + 2r = 2r − \frac{9}{5} \)
\( \large 4 = -\Large \frac{9}{5}\large \)
\( 4 + 2r = 2r + \frac{19}{5} \)
\( \large 4 = \Large \frac{19}{5}\large \)
\( 4 + 2r = 2r − \frac{19}{5} \)
\( \large 4 = -\Large \frac{19}{5}\large \)
\( 4 + 2r = 2r − \frac{29}{5} \)
\( \large 4 = -\Large \frac{29}{5}\large \)