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If p and q unit vectors A and is the acute angle between them, then 3 + 2 is a unit vector for (a) no value of A(b) exactly one value ofA (c) exactly two values ofA (d) more than two values of A
(b)px 2q | = 16 | x = 1| x | =| x | sin a =\ sin a = 1/6 and a being acuteHence there will only be one value of a
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