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Show that the points (3,-2,4)(1,1,1) and...

Show that the points (3,-2,4)(1,1,1) and (-1,4,-1) are collinear.

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SHARAM PUBLICATION-QUESTION PAPER 2013-EXERCISE
  1. Prove the following by vector method. An angle inscribed in a semi-cir...

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  2. If veca, vecb and vecc mutually perpendiculars, show that [veca.(vecbx...

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  3. Show that the points (3,-2,4)(1,1,1) and (-1,4,-1) are collinear.

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  4. Find the equation of a plane biscting the line segment joining (-1,4,3...

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  5. Find the value of r, if the line  (x-1)/(1) = (y+2)/(3) = (z-1)/(-1) =...

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  6. Find equation of the sphere if the line segment joining the Points (4,...

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  7. Find the maixmum value of z =50x1+60x2 subject to 2x1+3x2le6,x1,x2ge0

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  8. Find the value of |{:(17,58,97),(19,60,99),(18,59,98):}| without expan...

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  9. Prove that the following. [[1+a,1,1],[1,1+b,1],[1,1,1+c]] = abc(1+1/...

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  10. Find the product [{:(1,2,3),(2,3,4):}][{:(1,-2),(-2,3):}]

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  11. Prove that "^(2n)C0 + ^(2n)C2 + .... + ^(2n)C(2n) = 2^(2n-1)

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  12. C(3)^(2n):C(3)^(n)= 44:5, find the value of n.

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  13. In how many ways can 2 boys and 3 girls sit in a row so that no two gi...

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  14. If 8 person are to sit around a table what is the probability that X a...

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  15. A class consists of 25 boys and 15 girls. If a committee of 6 is to be...

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  16. If y = e^(ax) cos bx then find y(n)(0).

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  17. Use the function f(x) = x^(1//x), x gt 0 to show that e^(pi) gt pi^(e)...

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  18. Evaluate : overset(1)underset(0)intln(1+x)/(1+x^2)dx.

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  19. Solve dy/dx+y/x=xy^2.

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  20. Obtain the volume of the parallelopiped whose sides are vectors veca=2...

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