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Determine the values of p and q for whic...

Determine the values of p and q for which the vectors `phat(i)+2hat(j)+6hat(k) " and " 3hat(i)-3hat(j)+qhat(k)` are parallel.

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The correct Answer is:
p = -2 and q = -9
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CHHAYA PUBLICATION-VECTOR-ILLUSTRATIVE EXAMPLES
  1. If the position vectors of two given points A and B be 8hat(i)+3hat(j)...

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  2. The position vectors of the points A, B and C are 2hat(i)+6hat(j)-hat(...

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  3. Determine the values of p and q for which the vectors phat(i)+2hat(j)+...

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  4. The position vectors of the points A, B, C and D are hat(i)+hat(j)+hat...

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  5. show by vector method that the points (2, -1, 3), (3, -5, 1) and (-1, ...

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  6. Using vector method show that the points (7, 9), (3, -7) and (-3, 3) f...

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  7. The position vectors of the points A,B, and C are 2hat(i)+4hat(j)-hat(...

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  8. Write the direction ratios of the vector 2hat(i)-hat(j)-2hat(k) and he...

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  9. Find a vector of magnitude 14 in the direciton of the vector -3hat(i)+...

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  10. If vec(a) " and "vec(b) are non-collinear vectors and vec(p)=(x+4y)vec...

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  11. Prove that the points with position vectors 60hat(i)+3hat(j), 40hat(i)...

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  12. For the vectors vec(a) " and " vec(b) show that (i) abs(vec(a)+vec(b...

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  13. (i) If the position vectors of the points A, B, C be 5hat(i)+3hat(j)+...

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  14. If the magnitude of difference of two unit vectors in sqrt(3), then sh...

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  15. ABCDEF is a regular hexagon. If vec(AB)=vec(a) " and " vec(BC)=vec(b),...

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  16. Using vector method show that the diagonals of a parallelogram bisect ...

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  17. By vector method prove that the three medians of a triangle are concur...

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  18. Using vector method show that the line joining the middle points of tw...

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  19. If G be the centroid of the triangle ABC, then prove that vec(GA)+vec(...

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  20. ABCD is a quadrilateral and E is the point of intersection of the line...

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