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UNITED BOOK HOUSE-MODEL QUESTION PAPERS-SET 5-EXERCISE
- If.y = tan^-1 (sec x + tan x), show that ,dy/dx=1/2 .
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- A and B are two independent event. It P(A) = 1/2 and P(A cup B)=2/3,fi...
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- Find the mean deviation with respect ' to mean value :18,22,33,42,53,...
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- Find the HCF of 15, 40, 60 with the help of set theory
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- If 13theta=pi,show that costhetacos2theta cos3theta cos4theta cos5thet...
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- Solve:sinx-sin2x=cos2x-cosx
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- Show that by mathematical- induction :x^3+(x+1)^3+(x+2)^3is divisible ...
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- If z = x + iy and arg ((z-1)/(z+1))=(pi)/(4), then the locus of (x, y)...
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- If the co-efficient of the (3r+1) th term is equal to the co-efficient...
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- Find the sum of 1 + 5 + 12 + 22 + 35 +….upto n term.
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- A straight line passes through A(1, 2) and makes an angle theta with t...
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- Find the equations of the lines, which cut-off intercepts on the axes ...
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- The equation of circum circle of an equilateral triangle is x^2+y^2+2g...
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- A straight line passes through (h, k) and the middle point of the also...
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- Evaluate :lim(xrarr0)(tan2x-x)/(3x-sinx)
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- From definition, differentiate cos4x at 'x=pi/6,will respect to x.
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- Prove the following by contradiciton ."The sum of a rational and an ir...
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- Show that sqrt7 is an irrational, (use the method of contradiction)
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- If the variance of lst.n even natural numbers is 65, find the value of...
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- In on examination the probability of a student passed in physics is 2/...
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