Grade 11Algebra
SOLVE (2i+3j-k) . (i-j-k)?????????????????????????????????????????????????????????
SOLVE (2i+3j-k) . (i-j-k)?????????????????????????????????????????????????????????
3 Answers
RIYAZSHAIK
Approved Tutor Answer10 Years ago2-3+1=0......................................................................................................
PASUPULETI GURU MAHESH
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
(2i+3j-k).(i-j-k) it is a dot product
=2-3+1
=0....................................................................................................................................
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