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JEE Mains · Maths · STD 12 - 11. three dimension geometry

यदि समतल \(4 x -5 y +2 z =8\) के सापेक्ष बिंदु \((1,3,5)\) का दर्पण प्रतिबिम्ब \((\alpha, \beta, \gamma)\) है, तो \(5(\alpha+\beta+\gamma)\) बराबर है

  1. A \(47\)
  2. B \(43\)
  3. C \(39\)
  4. D \(41\)
Verified Solution

Answer & Solution

Correct Answer

(A) \(47\)

Step-by-step Solution

Detailed explanation

Point \(Q\) is image of point \(P\) w.r.to plane, \(M\) is mid point of \(P\) and \(Q\), lies in plane \(M \left(\frac{1+\alpha}{2}, \frac{3+\beta}{2}, \frac{5+\gamma}{2}\right)\) \(4 x-5 y+2 z=8\)…
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