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If veca=2hati-2hatj+hatk , vecb=2hati-ha...

If `veca`=`2hati-2hatj+hatk `, `vecb`=`2hati-hatj+4hatk `, and `vecc`=`hati+2hatj-2hatk ` then find the projection of `vecb+vecc` on `veca`.

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If veca = 2hati+2hatj-hatk , vecb = hati+2hatj-2hatk , and vecc = 2hati-hatj+4hatk then find the projection of vecb+vecc on veca .

If veca=2hati-2hatj+hatk,vecb=hati+2hatj-2hatk and vecc=2hati-hatj+4hatk , then find the projection of (vecb+vecc) on veca .

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

Let veca=2hati+3hatj+2hatk and vceb=hati+2hatj+hatk . Find the projection of vecb and veca .

If veca=2hati-hatj+hatk,vecb=3hati+2hatj-3hatk and vecc=hati+2hatj+hatk then 2veca+vecb-vecc=

If veca=7hati+hatj-4hatk and vecb=2hati+6hatj+3hatk find the projection of veca and vceb .

If veca=hati+2hatj-hatk, vecb=2hati+hatj+hatk and vecc=5hati-4hatj+3hatk then find the value of (veca+vecb).vecc .

If veca=hati-hatj+hatk and vecb=5hati-hatj+2hatk , then veca*vecb is :

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ACCURATE PUBLICATION-VECTOR ALGEBRA-QUESTIONS CARRYING 2 MARKS
  1. If veca=2hati-2hatj+hatk,vecb=hati+2hatj-2hatk and vecc=2hati-hatj+4ha...

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  2. If veca=2hati-2hatj+hatk,vecb=hati+2hatj-2hatk and vecc=2hati-hatj+4ha...

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  3. If veca=2hati-2hatj+hatk , vecb=2hati-hatj+4hatk , and vecc=hati+2hatj...

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  4. Show that the vectors : 2hati-hatj+hatk,hati-3hatj-5hatk and 3hati-4ha...

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  5. With the help of vector method, prove that,cosC=(a^2+b^2-c^2)/(2ab)

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  6. With the help of vector method, prove that,cosA=(b^2+c^2-a^2)/(2bc)

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  7. Prove that, in any triangle ABC, cos B=(c^2+a^2-b^2)/(2ca).

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  8. Using vector method, prove that in a triangle, a=b cosC+ c cosB (proje...

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  9. Use vectors to prove that in triangleABC : b=c cos A+a cos C.

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  10. Prove that in any triangle ABC,c=a cos B+b cosA

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  11. Using vector method, prove that the angle in a semi-circle is a right...

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  12. Show that the diagonals of a rhombus bisect each other at right angle...

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  13. If veca=hati-hatj+3hatk and vecb=2hati+3hatj-5hatk then find vecaxxvec...

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  14. If |veca|=5,|vecb|=8 and veca.vecb=24, then find |vecaxxvecb|

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  15. If |veca|=3,|vecb|=4 and veca.vecb=9 then find |vecaxxvecb|

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  16. Find a vector of magnitude 9, which is perpendicular to both the vecto...

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  17. Find a vector of magnitude 19, which is perpendicular to both the vect...

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  18. Find a vector of magnitude 7 , which is perpendicular to both the vect...

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  19. Determine the area of a parallelogram whose adjacent sides are represe...

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  20. Find the area of a parallelogram whose adjacent sides are : 3hati-4h...

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