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and are two non-zero vectors inclined at an angle , and are unit vectors along and respectively. The component of in the direction of is
(a)
(b)
(c)
(d)

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Important Questions on Mathematical Methods
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The unit vector is perpendicular to The value of can be:

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If and form a right angled triangle then out of the following which one is satisfied?

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Figure shows three forces and acting along the sides of an equilateral triangle. If the total torque acting at point (centre of the triangle) is zero then the magnitude of is

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Resultant of two vectors and is of magnitude If direction of is reversed, the resultant is of magnitude . The value of is

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and are two non-zero vectors inclined at an angle , and are unit vectors along and respectively. The component of in the direction of is
