Given the vector a = (a, 2), B = (- 3, 5), and the angle between vector a and vector B is obtuse angle, the value range of a is obtained Given the vector a = (in, - 2), B = (- 3,5), and the angle between a and B is obtuse, then the value range of in

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• 12. Given that a = (x, 2), B = (- 3, 5), and the angle between a and B is obtuse, then the value range of X is? Letter A. B is vector!
• 13. Given the vectors a = (x, 2) and B = (- 3, - 5), the angle between a and B is obtuse angle, find the value range of X
• 14. Vector a (m, 2m), vector b (- - 3M, 2) if the angle between vector a and vector B is an obtuse angle, how can we solve the problem of the value range of M?
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