Unit vector in the direction of the resultant of vectors A=-3i^-2j^-3k^ and B=2i^+4j^+6k^
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
-3i^-2j^-3k^14
b
-i^+2j^+3k^
c
-i^+2j^+3k^14
d
-2i^-4j^+8k^
answer is C.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
Resultant vector of A and B isR = A + B = -3i^-2j^-3k^+2i^+4j^+6k^ =-i^+2j^+3k^R=-12+22+32=1+4+9=14Unit vector in the direction of R isR^=RR=-i^+2j^+3k^14