InterviewSolution
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InterviewSolution
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Statement-1:The point A(3, 1, 6) is the mirror image of thepoint B(1, 3, 4) in the plane `x""""y""+""z""=""5`.Statement-2:The plane x `x""""y""+""z""=""5`bisects the line segmentjoining A(3, 1, 6) and B(1, 3, 4).(1)Statement-1 istrue, Statement-2 is true; Statement-2 is not the correct explanation forStatement-1(2)Statement-1 istrue, Statement-2 is false(3)Statement-1 isfalse, Statement-2 is true(4)Statement-1 istrue, Statement-2 is true; Statement-2 is the correct explanation forStatement-1 |
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Answer» MP of AB=`((3+1)/2 , (1+3)/2,(6+4)/2)` `= (2,2,5)` `P(2,2,5) = 2-2 +5-5 = 0` MP is on plane Drs of line `_|_` to plane `P_1` = (1,-1,1) Drs of line PQ = `(2,-2,2)` `2/1 = -2/-1 = 2/1 = 2` `PQ || `(line `_|_ `to plane) option 2 is correct |
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