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Points (-2, 4, 7), (3, -6 -8) and (1, -2...

Points (-2, 4, 7), (3, -6 -8) and (1, -2, -2) are

A

(a) collinear

B

(b) vertices of an equilateral triangle

C

(c) vertices of an isosceles triangle

D

(d) none of these

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The correct Answer is:
A
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