3D Geometry 2 Question 4
4. If the line, lies in the plane, , then is equal to
(2016 Main)
(a) 26
(b) 18
(c) 5
(d) 2
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Answer:
Correct Answer: 4. (d)
Solution:
- Since, the line
lies in the plane , therefore we have
and
On solving Eqs. (i) and (ii), we get