JEE Advanced 2013 Mathematics question
Consider the lines , and the planes , . Let ax + by + cz = d be the equation of the plane passing through the point of intersection of lines and , and perpendicular to planes and . Match List I with List II and select the correct answer using the code given below the lists : List I P. a = Q. b = R. c = S. d = List II 1. 13 2. −3 3. 1 4. −2
Answer: (A)
Solution
Intersection of the lines: . From the z-components t = 2s; from the y-components , t = 2; the x-components agree (5 = 5). Point (5, −2, −1). The
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