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In the expansion of (root(3)(2)+1/root(3...

In the expansion of `(root(3)(2)+1/root(3)(3))^n`the rationof the 7th term from the beginnign to 7th term from the end is 1:6 .Find n

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UNITED BOOK HOUSE-ANNUAL EXAMINATION QUESTION PAPERS 2014-EXERCISE
  1. If z=x+iy and |2z+1|=|z-2i|,then prove that 3(x^2+y^2)+4(x+y)=3

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  2. Out of 14 articles,10 are of same type and each of the remaining is of...

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  3. In the expansion of (root(3)(2)+1/root(3)(3))^nthe rationof the 7th te...

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  4. If the sum of sirst n terms of a G.P is p.sum of its first 2n terms is...

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  5. The equations of two sides of a square are 5x+12y-10=0 and 5x+12y+29=0...

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  6. If the straight line x/a+y/b=1is parallel to the line 4x+3y=6 and pas...

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  7. Find the equations of the circles which pass through the origin and cu...

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  8. Evaluate:lim(xrarr0)(sin(x^2+4x))/(x^3-5x^2+2x)

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  9. Find from the first principle,the derivative of tan 2x at x=pi/8

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  10. Show that the following statement is true by the method of contraposit...

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  11. Prove the following by contradiciton ."The sum of a rational and an ir...

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  12. What is the probability that a year,selected at random,in between 2001...

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  13. For a group of 200 students the mean and S.D of marks obtained by them...

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  14. Prove thatcos^2alpha+cos^2(120^@-alpha)+cos^2(120^@+alpha)=3/2

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  16. Draw the structure of the following: SF4

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  17. state the fundamental theorm of algebra and solve the equation 3x^2-5i...

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  19. If S1,S2...Smdenote the sums of n terms of m numbers of A.P is whose f...

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  20. Prove that the least focal chord of a parabolaa is it rectum.

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