a)2+3i b)1+i c)3-2i d)1-7i. Which of the above is orthogonal?

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How do we do it? What is the condition to find what is orthogonal or not? Please help. Thanks in advance!

2007-09-13 20:34:28 · 2 answers · asked by Harry 1 in Science & Mathematics ➔ Mathematics

The dot product of orthogonal vectors is zero.

a • c = <2, 3> • <3, -2> = 6 - 6 = 0

a and c are othogonal.

2007-09-13 20:50:58 · answer #1 · answered by Northstar 7 · 0⤊ 0⤋

looks like a&c cross-product should be zero if orthogonal?

2007-09-14 03:44:01 · answer #2 · answered by Anonymous · 0⤊ 1⤋