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If U = I + 3j - 2k and V = 4i - 2j - 4k are vectors, find (2U + V) . ( U - 2V )

4
3
5
6
If U = I + 3j - 2k and V = 4i - 2j - 4k are vectors, find 3U + V

10
14
4
11
A ..... is such that it can slide along its line of action.

vector
null vector
motion
line vector
Find the angle between U =4i - 2j + 4k and V = 3i - 6j - 2k .

680
670
580
690
Given that a = 5i +2j - k and b = I - 3j + k. Find (a + b) x (a + b).

2i - 12j - 34k
2i + 12j + 34k
2i -3j + 12j
2i + 2k
A ...... line AB occurs when the point A is fixed.

free vector
position vector
force
null vector
Find the vector product axb. If a = 2i + 3j + 4k and b = 5i - 2j + k

11i + 18j - 19k
2j + 3k
5i - 6j + 7k
4i - 6j +11k
Given that :
r−1=6i−8j+2k,r2=4i+5j+7k,r3=−2i+j+6k is a vector.Find r1 r2

30
26
-26
19
If
r4=r1+r2+r3
,which of the vectors are linearly dependent .

r1
r3
r4
r2
What type of vector is w+(-w)=0

null vector
scalar vector
vector
magnitude
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