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UNITED BOOK HOUSE-MODEL QUESTION PAPERS-SET 7-EXERCISE
- show that (A-B)capB=phi
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- A relation P defined as :P={(x,y):2x+3y=18,x,y in N} ,find the domain ...
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- Find the value of :(8 sin ^3 10^@-6sin10^@)
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- If sinA/3=sinB/3=sinC/4then show that cos C=1/9
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- Value of i^n+i^(n+1)+i^(n+2)+i^(n+3)(where i=sqrt-1)
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- If, the number of-diagonals of a- polygon is 44. Find the number of si...
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- 'Prove that the co-efficient of x^n of the expansion of (1+x)^(2n) is...
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- The sum of P terms of an AP is P^2. Find the common difference.
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- Find the co-ordinate of the point which is equidistance from (alpha, 0...
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- Calcualte the angle between the straight linesx+sqrt3 y+2=0and y+5=0
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- If f'(c) is the -derivative of f(x) at x= c,then show that lim(xrarrc...
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- Evaluate :lim(xrarr3)(x^2-9)/(sqrt(x-2)-sqrt(4-x))
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- 4 cards are drawn from a well - shuffled deck of 52 cards. What is the...
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- If the variance of a distribution is 4 coefficient of variation is 5%,...
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- If f(x)=cos(logx),show that f(x)f(y)-1/2[f(x/y)+f(xy)]=0
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- Prove that cosalpha/(sin3alpha)+(cos3alpha)/(sin9alpha)+(cos9alpha)/(s...
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- Solve : sectheta-1=(sqrt2-1)tantheta
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- By mathematical induction show that 3^n>n^3when nge4. N is an integer.
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- Find the co-efficient of 1/xof the expansion of (1+x)^n(1+1/x)^nwhere ...
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- Find the sum up to n terms :n.1+(n-1).2+(n-2)3+(n-3).4+....
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