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JBD PUBLICATION-MODEL PAPER (8)-EXERICSE
- If sin theta= n sin(theta+2 alpha), show that : tan(theta+ alpha)=(1+n...
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- Prove by mathematical induction that 1+3+3^2+…………+3^(n-1)=(3^n -1)/2
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- Find the number of words which can be made by using all the letters of...
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- If C(n,10)=C(n,12), determine n and hence C(n,5).
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- The A.M. between two positive numbers is 34 and their G.M. is 16. find...
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- 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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- Find the equations of the lines, which pass through the point (4, 5) a...
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- Find the area of the triangle formed by the lines joining the vertex o...
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- Evaluate: underset(xrarr1)lim (3x^2-2x-10)/(x^2-4).
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- Find the derivative of (x^(n)-a^(n))/(x-a) for some constant a, x ne...
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- A card is drawn from a well shuffled pack of 52 cards. Find the probab...
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- A card is drawn from a well shuffled pack of 52 cards. Find the probab...
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- If z=x+iy and |(z-3)/(z+3)| = 2, show that x^2+y^2+10x+9=0.
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- If (1-7i)/(2i)^2= a+ib, then find the value of a and b.
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- Give the graphical solution of the following system of inequalities: 2...
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- Find all pairs of positive integers such that their sum is less than 8...
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- Evaluate underset(x rarr 0)lim(sin ax+bx)/(ax+sin bx)
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- Find the derivative secx w.r.t x
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- The mean and standard deviation of 20 observations are found to be 10 ...
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- The mean and standard deviation of 20 observations are found to be 10 ...
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