TS EAMCET · Maths · Three Dimensional Geometry
The point collinear with \((1,-2,-3)\) and \((2,0,0)\) among the following is
- A (0, 4, 6)
- B \((0,-4,-5)\)
- C \((0,-4,-6)\)
- D \((0,-4,-6)\)
Answer & Solution
Correct Answer
(C) \((0,-4,-6)\)
Step-by-step Solution
Detailed explanation
Let \(\mathbf{a}=\hat{\mathbf{i}}-2 \hat{\mathbf{j}}-3 \hat{\mathbf{k}}, \mathbf{b}=2 \hat{\mathbf{i}}+0 \hat{\mathbf{j}}+0 \hat{\mathbf{k}}\) Now take option (c). Let \(\mathbf{c}=0 \hat{\mathbf{i}}-4 \hat{\mathbf{j}}-6 \hat{\mathbf{k}}\) Now, a…
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