Question

Condition when two planes are parallel direcion ratios

Answer 1

when 2 planes are parallel , direction ratio will same....

Answer 2

hey.....


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The normal vectors of the planes are n1 = < 1 , 4 , - 3 > and n2 = < - 3 , 6 , 7 > . The two vectors are not proportional to each other thus the planes are not parallel and they intersect each other. if the dot products of the two normal is 0 then the vectors are perpendicular to each other ..
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i hope this helps u.
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