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Find lambda, when the projection of veca...

Find `lambda`, when the projection of `veca=lambdahati+hatj+4hatk` on `vecb=2hati+6hatj+3hatk" "`is 4 units.

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Find lambda , when the projection of veca = lambdahati + hatj +4hatk on vecb =2hati + 6hatj + 3hatk , is 8 units.

Find the projection of the vector hati+3hatj+7hatk on the vector 2hati+6hatj+3hatk .

Find the projection of the vector veca=2hati+3hatj+2k on the vector vecb=hati+2hatj+hatk .

If veca=3hati-2hatj+hatk and vecb=2hati-4hatj+hatk then find |veca-2vecb|.

Find the value of lambda for which the vectors veca = 3hati + 2hatj + 9 hatk and vecb = hati + lambda hatj + 3hatk are orthogonal.

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

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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