Let 
be a non-zero vector parallel to the line of intersection of the two planes described by 
and 
. If 
is the angle between the vector 
and the vector 
and 
, then the ordered pair 
is equal to
Text Solution
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Given,
be a non-zero vector parallel to the line of intersection of the two planes described by 
So finding the normal vector to the above plane, we get,
And normal vector to planes 
will be,
Now 
So, direction ratio of 
Hence, direction ratio of 
Now given, 
And 
So, 
Now we know that, 
Now finding, 
Hence, ordered pair 
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