Question
बिन्दु $(-2, 4, 7), (3, -6, -8)$ तथा $(1, -2, -2)$ हैं
==> $ - \frac{5}{2} = - \frac{5}{2} = - \frac{5}{2}$ स्पष्टत: बिन्दु समरेखीय हैं।
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