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If the points A and B are (1,2,-1) and (...

If the points A and B are (1,2,-1) and (2,1,-1) respectively, then `vec(AB)` is

A

i+j

B

i-j

C

2i+j-k

D

i+j+k

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MAXIMUM PUBLICATION-VECTOR ALGEBRA-EXAMPLE
  1. Consider the vectors veca=i-7j+7k,vecb=3i-2j+2k.Find the angle between...

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  2. Consider the vectors veca=i-7j+7k,vecb=3i-2j+2k. Find the area of ...

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  3. If the points A and B are (1,2,-1) and (2,1,-1) respectively, then vec...

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  4. Find the value of lambda for which the vectors 2i-4j+5k, i-lambdaj+k ...

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  5. Find the angle between the vectors veca=2i+j-k and vecb=i-j+k.

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  6. (veca-vecb)times(veca+vecb) is equal to a)veca b)abs(veca)^2-abs(ve...

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  7. Using vectors, show that the points A(1,2,7),B(2,6,3),C(3,10,-1) are...

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  8. Find a vector in the direction of vecr=3i-4j that has a magnitude of ...

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  9. For any three vectors veca,vecb and vecc, and, prove that (veca+vecb)+...

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  10. Find a unit vector perpendicular to veca+vecb and veca-vecb, where vec...

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  11. Let A(2,3,4),B(4,3,2) and C(5,2,-1) be three points.Find vec(AB) and v...

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  12. Let A(2,3,4),B(4,3,2) and C(5,2,-1) be three points .Find the projecti...

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  13. Let A(2,3,4),B(4,3,2) and C(5,2,-1) be three points Find the area of...

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  14. ABCD is a parallelogram with A as the origin. vecb and vecd are posit...

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  15. ABCD is a parallelogram with A as the origin. vecb and vecd are posit...

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  16. ABCD is a parallelogram with A as the origin. vecb and vecd are posit...

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  17. If veca,vecb,vecc,vecd respectively are the position vectors represent...

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  18. Find the projection vector of vecb=i+2j+k along the vector veca=2i...

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  19. Find the area of a parallelogram for which the vectors 2i+j,3i+j+4k ar...

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  20. Write the magnitude of a vector veca in terms of dot product.

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