EASY
MHT-CET
IMPORTANT
Earn 100

The value of m, if the vectors i^-j^-6k^, i^-3j^+4k^ and 2i^-5j^+mk^ are coplanar, is

83.33% studentsanswered this correctly

Important Questions on Vectors

EASY
MHT-CET
IMPORTANT
If the vectors xi^-3j^+7k^ and i^+yj^-zk^ are collinear then the value of xy2z is equal
MEDIUM
MHT-CET
IMPORTANT
If planes r .( p i ^ j ^ +2 k ^ )+3=0 and r .( 2 i ^ p j ^ k ^ )5=0 include angle π3 then the value of p is
EASY
MHT-CET
IMPORTANT
If AB=3ı^+5j^+4k^AC=5i^-5j^+2k^ represent the sides of a triangle ABC, then the length of the median through A is
MEDIUM
MHT-CET
IMPORTANT
If the origin and the points P( 2,3,4 ),Q( 1,2,3 ) and R( x,y,z ) are co-planar then
EASY
MHT-CET
IMPORTANT
The equation of line passing through ( 3,1,2 ) and perpendicular to the lines r =( i ^ + j ^ k ^ )+λ( 2 i ^ 2 j ^ + k ^ ) and r =( 2 i ^ + j ^ 3 k ^ )+μ( i ^ 2 j ^ +2 k ^ ) is
EASY
MHT-CET
IMPORTANT
If the vectors a=ı^-2j^+k^b=2ı^-5j^+pk^ and c=5i-9j^+4k^ are coplanar, then the value of p is
MEDIUM
MHT-CET
IMPORTANT
If a=1103ı^+k^, b=172ı^+3ȷ^-6k^, then the value of 2a-b·a×b×(a+2b is
MEDIUM
MHT-CET
IMPORTANT
If abc=4, then the volume of the parallelopiped with coterminus edges a+2b, b+2c, c+2a is