[tex]\overline{a}[/tex]⊥[tex]\overline{b}[/tex] коли [tex]\overline{a}* \overline{b}=0[/tex]
[tex]6 * (-8) + 0 * 13 + 12 * m=0\\-48 + 0 + 12m = 0\\12m = 48\\m = 48 : 12\\m = 4.\\[/tex]
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[tex]\overline{a}[/tex]⊥[tex]\overline{b}[/tex] коли [tex]\overline{a}* \overline{b}=0[/tex]
[tex]6 * (-8) + 0 * 13 + 12 * m=0\\-48 + 0 + 12m = 0\\12m = 48\\m = 48 : 12\\m = 4.\\[/tex]