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Question
Maths

Let Q be the foot of perpendicular drawn from the point P (1, 2, 3) to the plane x + 2y + z = 14. If R is a point on the plane such that ∠PRQ = 60°, then the area of ΔPQR is equal to:

\(\frac{\sqrt{3}}{2}\) 

3

\(\sqrt{3}\)

3

मान लीजिए Q, पॉइंट P (1, 2, 3) से प्लेन x + 2y + z = 14 पर खींचे गए परपेंडिकुलर का पाद है। अगर R प्लेन पर एक पॉइंट है जिससे ∠PRQ = 60° है, तो ΔPQR का एरिया बराबर है:

\(\frac{\sqrt{3}}{2}\) 

3

\(\sqrt{3}\)

3

View Answer & Solution
Correct Answer: B (3)
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