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A point R with x-co-ordinate 4 lies on t...

A point R with x-co-ordinate 4 lies on the line segment joining the points P(2,-3,4) and Q(8,0,10). Find the co-ordinate of the point R.

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A point R with x-coordinate 4 lies on the line segment joining the points P(2, -3, 4) and Q (8, 0, 10). Find the coordinates of the point R. [Hint Suppose R divides PQ in the ratio k :1. The coordinates of the point R are given by ((8k+2)/(k+1), (-3)/(k+1), (10k+4)/(k+1)) .

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JBD PUBLICATION-MODEL PAPER (8)-EXERICSE
  1. Prove that the coefficient of x^(n) in (1+x)^(2n) is twice the coeffi...

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  2. Write the middle term in the expansion of (2x^2-1/x)^10.

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  3. A point R with x-co-ordinate 4 lies on the line segment joining the po...

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  4. Find out which of the following sentences are statements and which are...

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  5. Find out which of the following sentences are statements and which are...

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  6. Rewrite the following statement if then in five different ways conveyi...

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  7. There are 210 members in a club. 100 of them drink tea and 65 drink te...

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  8. If y=f(x)=(2x+3)/(5x-2), prove that f(y)=x.

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  9. If sin theta= n sin(theta+2 alpha), show that : tan(theta+ alpha)=(1+n...

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  10. Prove by mathematical induction that 1+3+3^2+…………+3^(n-1)=(3^n -1)/2

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  11. Find the number of words which can be made by using all the letters of...

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  12. If C(n,10)=C(n,12), determine n and hence C(n,5).

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  13. The A.M. between two positive numbers is 34 and their G.M. is 16. find...

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  14. If (a^n+b^n)/(a^(n-1)+b^(n-1)) is the A.M. between a and b, then find ...

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  15. Find the equations of the lines, which pass through the point (4, 5) a...

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  16. Find the area of the triangle formed by the lines joining the vertex o...

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  17. Evaluate: underset(xrarr1)lim (3x^2-2x-10)/(x^2-4).

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  18. Find the derivative of (x^(n)-a^(n))/(x-a) for some constant a, x ne...

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  19. A card is drawn from a well shuffled pack of 52 cards. Find the probab...

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  20. A card is drawn from a well shuffled pack of 52 cards. Find the probab...

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