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If veca = (2,1), vecb = (-1,0), find 3ve...

If `veca` = (2,1), `vecb` = (-1,0), find `3veca + 2vecb`.

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`3veca+2vecb` = 3(2,1) + 2(-1,0)
(6-2, 3+0) = (4, 3)
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MBD PUBLICATION-VECTORS-QUESTION BANK
  1. |veca| = |vecb| = veca = vecb.

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  2. Subtraction of two vectors is not commutative.

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  3. If veca = (2,1), vecb = (-1,0), find 3veca + 2vecb.

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  4. If veca = (1,1,1), vecb = (-1,3,0) and vecc = (2,0,2), find veca+2vec...

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  5. If A, B, C and D are the vertices of a square, find vec(AB) + vec(BC)+...

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  6. The given points A, B, C are the vertices of a triangle. Determine the...

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  7. The given points A, B, C are the vertices of a triangle. Determine the...

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  8. Find the vector from origin to the mid-point of the vector vec(P1P2) j...

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  9. Find the vectors from the origin to the points of trisection the vecto...

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  10. Find the vectors from the origin to the intersection of the medians of...

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  11. Prove that the sum of all the vectors drawn from the centre of a regul...

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  12. Prove that the sum of the vectors represented by the sides of a closed...

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  13. Prove that : |veca + vecb|le|veca|+|vecb|.

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  14. State when the equality will hold, |veca - vecb|ge|veca|-|vecb|

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  15. What is geometrical significance of the relation |veca+vecb| = |veca-v...

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  16. Find the magnitude of the vector vec(PQ), its scalar components and th...

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  17. Find the magnitude of the vector vec(PQ), its scalar components and th...

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  18. Find the magnitude of the vector vec(PQ), its scalar components and th...

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  19. In each of the following find the vector vec(PQ), its magnitude and di...

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  20. In each of the following find the vector vec(PQ), its magnitude and di...

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