Let V be a real inner product space. Which of the following statements is true? (i) O is the only vector in V that is orthogonal to itself. (11 u +w < u+w if and only if one of u and w is a non negative scalar multiple of the other. (m) Ku, w= uw if and only if one of u and w is a scalar multiple of the other. OC. only (ii) OE. All the statements. O A. only (i) O B. only (ii) O D. only (i) and (iii)

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