InterviewSolution
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InterviewSolution
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The planes: `2x y + 4z = 5 a n d 5x 2. 5 y + 10 z = 6`are(A) Perpendicular (B) Parallel(C) intersect y-axis (D) passes through `(0,0,5/4)`A. perpendicularB. parallelC. intersect y-axisD. passes through `(0,0,5/4)` |
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Answer» Correct Answer - B Direction of the given planes are `(2,-1,4)` and `(5,-2.5,10)` `:. 2/5 = (-1)/(-2.5) = (4)/(10) rArr (4)/(10) = 4/10 = 4/10` Therefore, `(a_(1))/(a_(2)) = (b_(1))/(b_(2)) = (c_(1))/(c_(2))` So, the given planes are parallel. |
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