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USHA PUBLICATION-PREVIOUS YEAR QUESTION 2020-PREVIOUS YEAR QUESTION
- A is a square matrix of order 3. write the value n, |2A|=n|A|.
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- A discrete random variable X has the probability distribution as given...
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- Find the derivative of tan^(-1)((cosx+sinx)/(cosx-sinx)) w.r.t. x.
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- If f(x) = sin x + 2 in the interval [-pi/2,pi/2], what can you say abo...
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- If int(-1/2)^(1/2) cosx In(1+x)/(1-x) dx = kIn^2 then write the value ...
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- Write the differential equation of all non-horizontal lines in a plane...
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- Prove that for any f:X rarr Y , f o idx = f =idY of.
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- Solve equation 3"tan"^(-1)1/((2+sqrt3)) - "tan"^(-1) 1/x ="tan"^(-1) 1...
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- Prove that tan{(pi)/(4)+(1)/(2) "cos"^(-1)(a)/(b)}+tan{(pi)/(4)-(1)/(2...
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- A man plans to start a poultry farm by investing at most ₹ 3000. He ca...
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- Test whether the relation : R = {(m, n):2|(m+n)} on ZZ is reflexive, ...
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- There are two families A and B. There are 4 men, 6 women and 2 childre...
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- Eliminate x,y,z from a=x/y-z, b=y/z-x, c=z/x-y
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- There are 25 girls and 15 boys in class XI and 30 boys and 20 girls in...
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- Four cards are drawn successively with replacement from a well shuffle...
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- Find the inverse of the matrix [{:(4,-2),(3,1):}]
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- If sin (x + y) = y cos (x + y) then prove that dy/dx =-(1 + y^2)/y^2
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- What is the derivative of sec^(-1)(1/(2x^2-1)),with respect to(sqrt(1...
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- Find the approximate value of sqrt(0.24).
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- Show that the tangent to the curve x = a (t - sin t), y = at (1 + cos ...
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