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Grade: 9

                        

if vectors 2i-3j+k, 3i+xj+k are orthogonal then x=?

4 years ago

Answers : (3)

KARNEYSANKETH
34 Points
							If two vectors are orthogonal means that they are in perpendicular to each other and the dot product is zero. here,  dot product of two vectors is 6-3x+1=5-3x=0...x=5/3..It`s m
						
4 years ago
Kuldeep Pal
53 Points
							
Orthogonal vectors means that dot product is Zero and hence:
(2)(3) + (3)(x) + (k)(k) =0........(1)
 and for 2nd equation ,
we have Cross product as Zero.
from Both equation we can find ‘k’ and ‘x’ 
4 years ago
kishan ravishankar
26 Points
							
If the 2 vectors are orthogonal, they are said to be perpendicular to each other.
Therefore, their dot product is equal to 0.
(2*3)+(-3*x)+(1*1)=0         {Since i.i=1 , j.j=1 , k.k=1}
6-3x+1=0
3x=7
x=7/3=2.3
3 years ago
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