The vector j5E is same as vector
A. j2 E
B . j E
C. J3 E
D. J4 E
Explanatory answer :
We know , j2=-1
A. j2 E
Explanatory answer :
We know , j2=-1
and j5=j2*j2*j
j5= (-1) *(-1)* (j)= j
therefore j5 E can be written as j E
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