Question Number 135965 by liberty last updated on 17/Mar/21
$${Vector} \\ $$ Three vectors satisfy a.b = b.c = c.a = -1 and a + b + c = 0. What is the magnitude of vector a, b , and c?\\n
Commented bymr W last updated on 17/Mar/21
$$\mid{a}\mid=\mid{b}\mid=\mid{c}\mid=\mathrm{2} \\ $$
Commented bymr W last updated on 17/Mar/21
