Two vectors a, b are orthogonal if
A. <a,b> = 0
B. <a,b> = <a,b>
C. <a,b> = 1
D. <a,b> = – <a,b>
Answer:A
Two vectors a, b are orthogonal if
A. <a,b> = 0 B. <a,b> = <a,b> C. <a,b> = 1 D. <a,b> = – <a,b>