The values of x for which the angle between the vectors →a=x^i−3^j – InterviewSolution

1.	The values of x for which the angle between the vectors →a=x^i−3^j−^k and →b=2x^i+x^j−^k is acute and the angle between the vector →b and the axis of ordinates is obtuse, are
Answer» The values of $x$ for which the angle between the vectors $\to a = x^i - 3^j -^k$ and $\to b = 2 x^i + x^j -^k$ is acute and the angle between the vector $\to b$ and the axis of ordinates is obtuse, are

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