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If ABCD is a parallelogram and vec AB = ...

If ABCD is a parallelogram and `vec AB = vec a`, `vec BC= vec b` then give geometrical significance of `|quad vec a+ vec b|=|quad vec a- vec b|`.

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PRADEEP PUBLICATION-VECTORS-EXERCISE
  1. If vec a = 5hat i - hat j- 2hat k and vec b =5 hat i+ hat j - 2 hat k,...

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  2. If ABCD is a parallelogram and vec AB = vec a, vec BC= vec b then show...

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  3. If ABCD is a parallelogram and vec AB = vec a, vec BC= vec b then give...

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  4. ABC is any triangle and D,E,F are the mid-points of sides vec(BC),vec(...

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  5. ABCD is a parallelogram and [AC], [BD]are its diagonals. Express vec A...

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  6. ABCD is a parallelogram and [AC], [BD]are its diagonals. Express vec A...

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  7. Evaluate int dx/(x^2+10x+34)

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  8. ABCD is a parallelogram and AC, BD are its diagonals. Show that : vec(...

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  9. Apply vectors to prove that if a pair of opposite sides of quadrilater...

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  10. P is a point on the side BC of DeltaABC and Q is a point such that PQ ...

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  11. Evaluate int dx/(x^2+8x+25)

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  12. If vec a is a vectors of magnitude 3 pointing eastwards and vec b is v...

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  13. Evaluate int dx/(x^2+12x+37)

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  14. integrate the following int dx/(x^2+10x+16)

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  15. integrate the following int dx/(x^2+8x+12)

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  16. integrate the following int dx/sqrt(x^2+6x+13)

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  17. Show that the mid-points o ftwo opposite sides of quadilateral and the...

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  18. ABCD is a quadrilateral and O is point in its plane. Show that if vec ...

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  19. ABCD is a parallelogram . If P and Q are the mid-points of [BC] and [C...

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  20. Evaluate int dx/(3x^2+6x+5)

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