If the lines barr = (2, -3, 7) + k(2, a,...

If the lines `barr = (2, -3, 7) + k(2, a, 5),` `k epsilon R` and `barr = (1, 2, 3) + k(3, -a, a), k epsilon R` are perpendicular to each other then a = ......

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KUMAR PRAKASHAN-THREE DIMENSIONAL GEOMETRY-MULTIPLE CHOICE QUESTIONS (MCQs)

The equation of a line passing through origin and parallel to Y-axis i...
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The equation of the line L passing through A(-2, 2, 3) and perpendicul...
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If the lines barr = (2, -3, 7) + k(2, a, 5), k epsilon R and barr = (...
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The lines (x-7)/(k)=(y-3)/(1)=(z-4)/(1) and (x-8)/(1)=(y-2)/(1)=(3-z)/...
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The cartesian equation of the line passing through (4, 9, 8) and (3, -...
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If the vector equation of the line is barr= (1, -5,9) + k(2, 2, -1), k...
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If the cartesian equation of the line (2-x)/(4)=(y-3)/(-2),z+4=0 then ...
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The angle between the lines barr = (4, -3, 2) + k(2, 1, 2), k epsilon ...
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The equation of line perpendicular to barr. (1, 2, 1) = 4 and passing ...
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The symmetric equation of the line passing through (3, 1, - 1) and (3,...
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The equation of the line passes through (2,-3,5) and makes equal with ...
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If the lines (x-2)/(k)=(y-8)/(-3)=(z+5)/(9) and (x-5)/(1)=(y+2)/(1)=(z...
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If the lines (x-1)/(1)=(y-4)/(c)=(z+3)/(-3) and (x+1)/(-c)=(y-3)/(2)=(...
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The vector form of the line 3x + 1 = 62 – 2, y - 1 = 0 is .........
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The lines x=(y-1)/(1)=(z+1)/(3) and {(2,1+3k,2+k)//k epsilon R} are …....
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The perpendicular distance of the point (3, -4, -5) from the line (x-2...
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The image of the point (1, 2, 3) in the line barr = (6, 7, 7) + k (3, ...
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If the line bar r = (5,5,2) + k (3,6,9) k in R and bar = (0,3,-1) + ...
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The angle between the lines bar = (-3,5,-1) + k(1,2,1), k in R and bar...
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The angle between the lines whose direction cosines are given by l + ...
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