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If the position vector vec a of a point...

If the position vector ` vec a` of a point `(12 ,n)` is such that `| vec a|=13 ,` find the value of `ndot`

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RD SHARMA ENGLISH-ALGEBRA OF VECTORS-All Questions
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  2. If vec aa n d vec b are two non-collinear vectors, show that points...

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  3. If the position vector vec a of a point (12 ,n) is such that | vec a|...

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  4. If A=(0,1)B=(1,0),C=(1,2),D=(2,1) , prove that vec A B= vec C Ddot

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  9. Let vec a , vec b , vec c be the position vectors of three distinct p...

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  10. If vec a and vec b are position vectors of points Aa n dB respectivel...

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  11. If vec aa n d vec b are position vectors of Aa n dB respectively, fin...

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  13. Find the position vectors of the points which divide the join of th...

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  14. Let O be the centre of a regular hexagon A B C D E F . Find the sum of...

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  15. For any two vectors vec aa n d vec b , prove that | vec a+ vec b|lt=|...

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  16. IF P1, P2, P3, P4 are points in a plane or space and O is the origin o...

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  17. Using vectors, find the value of lambda such that the points (lambda,...

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  18. If vec a , vec b are any two vectors, then give the geometrical int...

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  19. If vec P O+ vec O Q= vec Q O+ vec O R , show that the point, P ,Q ,R ...

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  20. If the sum of two unit vectors is a unit vector, prove that the mag...

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