The set of values of x for which the ang...

The set of values of x for which the angle between the vectors `vec a= x hat i-3hat j-hat k and vec b = 2x hat i+x hat j-hat k` acute and the angle between the vector `vec b` and the axis of ordinates is obtuse, is

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The set of values of x for which the angle between the vectors vec a=xhat i-3hat j-hat k and vec b=2xhat i+xhat j-hat k acute and the angle between the vector vec b and the axis of ordinates is obtuse,is

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Find the angel between the vectors vec a=hat i-hat j+hat k and vec b=hat i+hat j-hat k

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The values of x for which the angle between the vectors vec a=xhat i-3hat j-hat k and vec b=2xhat i+xhat j-hat k is acute and the angle between b and y-axis lies between (pi)/(2) and pi are:

Find the angle between the vectors vec A = hat I + 2 hat j- hat k and vec B =- hat I + hatj - 2 hat k .

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Vectors vec A=hat i+hat j-2hat k and vec B=3hat i+3hat j-6hat k are

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