Question: 4 Given a E R and b E R which statements (multiple answers) are true about . Note this question has partial credit. For any

4 Given a E R" and b E R" which statements (multiple answers) are true about . Note this question has partial credit. For any c ER, then a. (cb) = (cl(a.b) If vectors a and b are orthognal then | | a +6|12 = lla |12+ 116112 D = alb = bTa O (a + b) . (a - b) = lla 112 + 116112 = ab] = bal

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