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Find veca.vecb when veca=hati-2hatj+ha...

Find `veca.vecb` when
`veca=hati-2hatj+hatk" ""and"" " vecb=3hati-4hatj-2hatk`

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Find veca.vecb when (i) veca=hati-hatj+5hatk and vecb=3hati-2hatk (ii) veca and vecb represent the point (2,3,-1) and (-1,2,3).

Find the unit vectors perpendicular to each of the vectors veca+vecb" " and veca-vecb ,where " "veca=hati+hatj+hatk and vecb=hati+2hatj+3hatk.

Find the value lambda for which the vectors veca and vecb are perpendicular, where veca=2hati+4hatj-hatk" ""and"" " vecb=3hati-2hatj+lambdahatk

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SURA PUBLICATION-VECTOR ALGEBRA -I-EXERCISE 8.3
  1. Find veca.vecb when veca=hati-2hatj+hatk" ""and"" " vecb=3hati-4hatj...

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  2. Find veca.vecb when veca=2hati+2hatj-hatk" ""and"" " vecb=6hati-3hat...

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  3. Find the value lambda for which the vectors veca and vecb are perpendi...

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  4. Find the value lambda for which the vectors veca and vecb are perpendi...

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  5. If veca and vecb are two vectors such that |veca|=10,|vecb|=15" ""and"...

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  6. Find the angle between the vectors 2hati+3hatj-6hatk" "and 6hati-3ha...

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  7. Find the angle between the vectors hati-hatj" ""and"" "hatj-hatk.

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  8. If veca,vecb,vecc are three vectors such that veca+2vecb+vecc=vec0 and...

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  9. Show that the vectors veca=2hati+3hatj+6hatk,vecb=6hati+2hatj-3hatk, "...

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  10. Show that the vectors -hati-2hatj-6hatk,2hati-hatj+hatk" "and -hati+3h...

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  11. If |veca|=5,|vecb|=6,|vecc|=7 and veca+vecb+vecc=vec0, find veca.vecb+...

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  12. Show that the points (2,-1,3), (4,3,1) and (3,1,2) are collinear.

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  13. If veca,vecb are unit vectors and theta is the angle between them, sho...

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  14. If veca,vecb are unit vectors and theta is the angle between them, sho...

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  15. If veca,vecb are unit vectors and theta is the angle between them, sho...

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  16. Let vec a,vecb,vecc be three vectors such that |veca|=3,|vecb|=4,|vecc...

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  17. Find the projection of the vector hati+3hatj+7hatk on the vector 2hati...

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  18. Find lambda, when the projection of veca=lambdahati+hatj+4hatk on vecb...

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  19. Three vectors veca,vecb and vecc are such that |veca|=2,|vecb|=3,|vecc...

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