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Three vectors of magnitude a ,2a ,3a mee...

Three vectors of magnitude `a ,2a ,3a` meet in a point and their directions are along the diagonals of the adjacent faces of a cube. Determine their resultant.

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RD SHARMA ENGLISH-ALGEBRA OF VECTORS-All Questions
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  3. Three vectors of magnitude a ,2a ,3a meet in a point and their directi...

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  10. 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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  11. Show that the points with position vectors vec a-2 vec b+3 vec c ,-2 ...

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  12. Find the position vector of a point R which divides the line joining ...

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  13. If D is the mid-point of the side B C of a triangle A B C , prove that...

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  14. Show that the found points A ,B ,C ,D with position vectors vec a , v...

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

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  18. If vec c = 3vec a+4vec b and 2vec c =vec a -3vec b, show that (i) vec ...

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

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

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