JEE Mains · Maths · STD 12 - 11. three dimension geometry
The projection of the line segment joining the points \((1,-1,3)\) and \((2,-4,11)\) on the line joining the points \((-1,2,3)\) and \((3,-2,10)\) is
- A \(8\)
- B \(5\)
- C \(7\)
- D \(6\)
Answer & Solution
Correct Answer
(A) \(8\)
Step-by-step Solution
Detailed explanation
Projection of \(\overrightarrow{\mathrm{PQ}}\) on \(\overrightarrow{\mathrm{AB}}=\left|\frac{\overrightarrow{\mathrm{PQ}} \cdot \overrightarrow{\mathrm{AB}}}{|\overrightarrow{\mathrm{AB}}|}\right|\)…
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