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SOLVE (2i+3j-k) . (i-j-k)?????????????????????????????????????????????????????????

SOLVE (2i+3j-k) . (i-j-k)?????????????????????????????????????????????????????????
 

Grade:11

3 Answers

RIYAZSHAIK
59 Points
5 years ago
2-3+1=0......................................................................................................
PASUPULETI GURU MAHESH
126 Points
5 years ago
hi friend , i  think this question is  not clarity. may be the addition of that gives   3i+2j-2k.plese give clarity  answer thank you
raj
384 Points
5 years ago
(2i+3j-k).(i-j-k) it is a dot product
=2-3+1
=0....................................................................................................................................
 

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