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which fo the following are orthogonal pairs a)3i+2j b) i+j c)2i-3j d) 7i+j?

2006-09-17 05:18:54 · 3 answers · asked by HB 1 in Science & Mathematics ➔ Mathematics

3 answers

a and c
(3,2)(2,-3)=6-6=0

2006-09-17 05:24:16 · answer #1 · answered by bruinfan 7 · 0⤊ 0⤋

None of them.

2006-09-17 05:20:50 · answer #2 · answered by tysavage2001 6 · 0⤊ 0⤋

a and c

2006-09-19 00:34:46 · answer #3 · answered by Rupali 1 · 0⤊ 0⤋

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