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Find lambda, when the projection of vec...

Find `lambda,` when the projection of ` vec a=lambda hat i+ hat j+4 hat k\ on\ vec b=2 hat i+6 hat j+3 hat k\ i s\ 4\ ` units.

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Find lambda where projection of vec (a) = lambda hat (i) + hat (j) + 4 hat (k) on vec (b) = 2 hat (i) + 6 hat (i) + 3 hat (k) is 4 unit

Find the projection of the vector vec a=2 hat i+3 hat j+2 hat k on the vector vec b=2 hat i+2 hat j+ hat k .

Find the projection of vec a on vec b , if vec a . vec b =8 and vec b=2 hat i + 6 hat j + 3 hat k .

Find vec adot vec b when: vec a= hat i-2 hat j+ hat k\ a n d\ vec b=4 hat i-4 hat j+7 hat k

Find | vec a xx vec b|, if vec a=2 hat i+ hat j+3 hat k and vec b=3 hat i+5 hat j-2 hat k .

Find lambda so that the vectors vec a=2 hat i- hat j+ hat k ,\ vec b= hat i+2 hat j-3 hat k\ a n d\ vec c=3 hat i+lambda hat j+5 hat k are coplanar.

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Find the projection of vec b+ vec c on vec a where vec a=2 hat i-\ 2 hat j+\ hat k ,\ vec b=\ hat i+\ 2 hat j-\ 2 hat k and vec c=2 hat i-\ hat j+\ 4 hat k

For what value lambda are the vectors vec a=2 hat i+\ lambda hat j+ hat k\ a n d\ vec b= hat i-\ 2 hat j+3 hat k perpendicular to each other?

Find the angle between the vectors vec a= hat i+hat j-hat k and vec b=hat i-hat j+hat k

RD SHARMA ENGLISH-SCALAR OR DOT PRODUCT-All Questions
  1. Writhe the angle between two vectors vec a\ a n d\ vec b"\ " with ma...

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  2. Write the projection of the vector hat i+3 hat j+7 hat k on the vecto...

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  3. Find lambda, when the projection of vec a=lambda hat i+ hat j+4 hat k...

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  4. For what value of lambda are the vectores vec a=2 hat i+lambda hat j+...

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  5. Writhe the projection of the vector 7 hat i+ hat j-4 hat k on the vect...

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  6. Write the value of lambda so that the vector vec a=2 hat i+lambda hat...

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  7. Write the projection of vec b+ vec c\ on\ vec a , when vec a=2 hat ...

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  8. Vectors vec a\ a n d\ vec b are such that | vec a|=3,\ | vec b|=2/3a...

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  9. If vec a\ a n d\ vec b are unit vectors such that vec axx vec b is ...

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  10. The vector vec a\ a n d\ vec b satisfy the equation 2 vec a+ vec b= ...

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  11. If vec(a) . hat(i)= vec(a).(hat(i)+ hat(j)) = vec(a). ( hat(i) + hat(j...

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  12. If vec a+ vec b+ vec c= vec0,\ vec|a|=3,\ | vec b|=5\ a n d\ | vec c...

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  13. If vec a\ a n d\ vec b be two unit vectors and theta is the angle be...

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  14. The vector cosalpha\ cosbeta hat i+cosalpha\ s inbeta hat j+sinalpha h...

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  15. If the position vectors of P\ a n d\ Q are hat i+3 hat j-7 hat k\ a n...

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  16. If vec a\ a n d\ vec b are unit vectors, then which of the following...

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  17. If the vectors hat(i) - 2x hat(j) + 3 y hat(k) and hat(i) +2x hat(j) ...

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  18. The vector component of vec b perpendicular to vec a is a.( vec bd...

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  19. The length of the longer diagonal of the parallelogram constructed o...

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  20. If vec(a) is a non zero vector of magnitude 'a' and lambda a non zero ...

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