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UNITED BOOK HOUSE-MODEL QUESTION PAPERS-SET 4-EXERCISE
- Prove by mathematical induction.1/1.3+1/3.5+1/5.7+....+1/((2n-1)(2n+1)...
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- How many different arragements of the letters of the word ALGEBRA can ...
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- If the sum of the n term of an AP is n^2 + 2n . which, term will ...
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- If z=x+iy and (z-i)/(z+1)is purely imaginary,then show that the point ...
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- The equation of the two adjacent sides of a parallelogram are 4x+ 5y =...
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- In a rectangle, the co-ordinates of the end point of a diagonal are (2...
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- If the straight line dx + cy = cd is perpendicular the line joining th...
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- Find the equation of a circle which passes through (0, -3) and (3, -4)...
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- Evaluate:lim(xrarr0)(sqrt(1+x^2)-sqrt(1+x))/(sqrt(1+x^3)-sqrt(1+x))
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- If f(x)=x|x|,prove that f'(x)=2|x|.
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- ‘If x is a whole number and x^2 is even, then x is also an even number...
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- ‘If a and b are two odd integer, then (a + b) is an even intege.”—exam...
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- One cord is drawn at random a pack of 52 c’ards..Find the probability ...
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- Find the mean and variance for the following frequency distributions i...
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- Solve : 2cos^2 2thetacos5theta+2=sin^2theta,theta in R.
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- If 1/(^5Cr)+1/(^6Cr)+1/(~^4Cr)find the value of r.
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- Show that there are 72 ways of selecting 5 letters from the word INDEP...
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- The co-ordinate of vertex and focus of a parabola x^2 + by^2 + 2hxy+ 2...
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- Prove that the 4 foci of the two ellipses 25x^2+169y^2=4225 and 400x^2...
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- Show that the difference of the focal distances of any point on the hy...
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