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Prove the following by vector method. Al...

Prove the following by vector method. Altitudes of a triangle are concurrent.

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MBD PUBLICATION-VECTORS-QUESTION BANK
  1. Prove that two vactors are perpendicular iff |veca+vecb|^2 = |veca|^...

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  2. If veca, vecb, vecc are mutually perpendicular vectors of equal magnit...

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  3. Prove the following by vector method. Altitudes of a triangle are conc...

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  4. Prove the following by vector method. Median to the base of an isoscel...

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  5. Prove the following by vector method. The parallelogram whose diagonal...

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  6. Prove the following by vector method. The diagonals of a rhombus are a...

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  7. Prove the following by vector method. An angle inscribed in a semi-cir...

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  8. Prove the following by vector method. in any triangle ABC, a = bcosC...

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  9. Prove the following by vector method. In a triangle AOB, mangleAOB = 9...

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  10. Prove the following by vector method. Measure of the angle between two...

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  11. Each question given below has four possible answers, out of which only...

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  12. A vector perpendicular to the vectors hati+hatj and hati+hatk is

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  13. The area of the triangle with vertices (1,0,0), (0,1,0) and (0,0,1) is

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  14. If veca and vecb are unit vectors such that vecaxxvecb is a unit vecto...

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  15. If veca, vecb and vecc are non-zero vectors, then vecaxxvecb = vecaxxv...

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  16. Let veca = 2hati+hatj, vecb = -hati+3hatj+hatk and vecc = hati+2hatj+...

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  17. Let veca = 2hati+hatj, vecb = -hati+3hatj+hatk and vecc = hati+2hatj+5...

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  18. Let veca = 2hati+hatj, vecb = -hati+3hatj+hatk and vecc = hati+2hatj+5...

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  19. Let veca = 2hati+hatj, vecb = -hati+3hatj+hatk and vecc = -hati+2hatj+...

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  20. Let veca = 2hati+hatj, vecb = -hati+3hatj+hatk and vecc = hati+2hatj+5...

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