Questions
If three vectors along coordinate axes represent the adjacent sides of a cube of length b, then the unit vector along its diagonal passing through the origin will be
a
i^+j^+k^2
b
i^+j^+k^36
c
i^+j^+k^
d
i^+j^+k^3
detailed solution
Correct option is D
Diagonal vector, A=bi^+bj^+bk^or A=b2+b2+b2=3b∴ A^=A|A|=i^+j^+k^3Talk to our academic expert!
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A unit vector is represented by ,then the value of c is
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