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Geometric Mean

check A3,-2...

Question

check $A (3, - 2, 4) B (1, 1, 1)$ and $C (- 1, 4, - 1)$ are collinear

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Solution

$A (3, - 2, 4), B (1, 1, 1) & C (- 1, 4, - 1)$ finding the distance between $a b, b c, a c$
$a b = \sqrt{22}, b c = \sqrt{17}$ as they are not equal
They are not collinear $.$

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