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Mathematics: Post your doubts here!

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Okay guys heres a real simple part in vectors that almost always comes up!
View attachment 17355
How do you go about finding a point on the line???


for finding the point of intersection of 2 planes just remember that wherever the 2 planes meet there will be two co-ordinates at intersection point. the third will automatically be zero.

so use both the plane eq. solve them simul... to get the two co-ordinates x and y assuming z to be zero.

then find the n (direction vector ) by the cross product of the two direction vector of the plane(given) try it out once it is not that difficult
 
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for finding the point of intersection of 2 planes just remember that wherever the 2 planes meet there will be two co-ordinates at intersection point. the third will automatically be zero.

so use both the plane eq. solve them simul... to get the two co-ordinates x and y assuming z to be zero.

then find the n (direction vector ) by the cross product of the two direction vector of the plane(given) try it out once it is not that difficult
How do we solve this one then help!plz
 

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