Let us define the length of a vector ai^+bj^+ck^ as |a|+|b|+|c| This definition coincides with the usual definition of length of a vectorai^+bj^+ck^ if and only if
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
a=b=c=0
b
any two of a, b and c are zero
c
any one of a, b and c is zero
d
a+b+c=0
answer is B.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
|a|+|b|+|c|=a2+b2+c2⇔2|ab|+2|bc|+2|ca|=0⇔ab=bc=ca=0⇔ any two of a,b and c are zero