Which of the following are orthogonal pairs?a) 5i+3j=7 b) i-2j=3 c) 2i-j=3 d) 3i=5j+6

gaurav6152

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• Jul 12th, 2008

A and d, since for orthogonallity the condition is aX + bY = c and bX - aY =d where a,b,c,d are coeeficients.

spyhari

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• Feb 26th, 2008

B and c

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