'a) Let a = 2i - 3j + xk and b = -3i + j + xk. Find the values of x for which vectors a and b are at right angles_ b) Consider the vectors a = 2i + 2j + k and b = xi + j - k. Find the value of x for which the angle between vectors a and b is 458_'
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Vectors are at right angles if their dot product is zero. Show more…
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