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Find the least value of a when a+b=4 and `2a+3ble25`

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UNITED BOOK HOUSE-MODEL QUESTION PAPERS-SET 2-EXERCISE
  1. What is the permutations of the letters in the word CAMBRIDGE when M,R...

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  2. Which term of the expansion of (2x^2-x^-1)^12is the term independent o...

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  3. Find the least value of a when a+b=4 and 2a+3ble25

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  4. Find the perpendicular distance from (2,3,4) to x- axis and z- axis.

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  5. Convert the straight line sqrt3x+y+14=0 into normal form.

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  6. Evaluate :lim(xrarra)(root(3)(x)-root(3)(a))/(x-a)

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  7. IS the derivative of the function f(x)=|x| at x=0.possible?

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  8. In a frequancy distribution,if the mean = 35 & median = 33, then find ...

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  9. A box contains 6 white balls and 4 black balls, A ball is drawn at ran...

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  10. In three sets P,Q,R if Pcup R=Pcup Qand Pcap Q=PcapR,then show that Q=...

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  11. Show that,tan7 (1^@/2)=sqrt6-sqrt3+sqrt2-2

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  12. Prove by mathematical induction, n.1+(n-1).2+(n-2).3+…+2.(n-1)+1.n = ...

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  13. If a+ib=sqrt((x+iy)/(p+iq)),show that (a^2+b^2)^2=(x^2+y^2)/(p^2+q^2)

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  14. If the p^(th), q^(th) and r^(th) terms of a G.P. are x, y, z respec...

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  15. The co-efficients of the expansion of (1+x)^(2n-1)and (1+x)^(2n)are P ...

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  16. The co-ordinates of the vertices of a quadrilateral are (3,-2)(6,2)(4,...

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  17. Find the equations of straight line which are perpendicular to the str...

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  18. A circle through the common points of the circles x^2+y^2-x+7y-3=0and ...

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  19. Find the equations of the two straight line parallel to the line 3x+4y...

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  20. Evaluate :lim(xrarr0)((a+x)^2sin(a+x)-a^2sina)/pi

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