If i + j + k , 2 i +5 j , 3 i +2 j -3 k and i -6 j - k be p.v. of four points A,B,C and D…
Mathematics · JEE Main · NTA Exams — Three Dimensional Geometry
If \(\hat{i}+\hat{j}+\hat{k}, 2 \hat{i}+5 \hat{j}, 3 \hat{i}+2 \hat{j}-3 \hat{k} \text { and } \hat{i}-6 \hat{j}-\hat{k}\) be p.v. of four points A,B,C and D respectively, then the angle between \(\overrightarrow{\mathrm{AB}}\) and \(\overrightarrow{\mathrm{CD}}\) is
- π/4
- π/2
- π
- none of these
Answer
(C) π
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