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XII BOARDS PREVIOUS YEAR-BOARD PAPER SOLUTIONS-All Questions
- What is the range of the function f(x)=(|x-1|)/((x-1))?
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- If A=[[cos alpha,-sin alpha],[sin alpha,cos alpha]], then for what val...
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- What is the principal value of sin^(-1)(-(sqrt(3))/2)\ ?
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- Find the equation of the plane through the points (2, 1, 1) and (1,...
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- Find the shortest distance between the following lines: (x+1)/7=(y+1)...
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- A cottage industry manufactures pedestal lamps and wooden shades, e...
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- A factory has two machines A and B. Past record shows that machine ...
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- Find the inverse of the following matrix using elementary operations: ...
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- Using properties of determinants, prove the following: |[x,x^2,1+px^3]...
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- Prove the following: tan^(-1)(1/4)+tan^(-1)(2/9)=1/2cos^(-1)(3/5)
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- Solve the following for x : cos^(-1)((x^2 - 1)/(x^2 + 1))+t a n^(-1...
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- Using matrices, solve the following system of equations: x\ -\ y+z...
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- If A^(-1) =[(3,-1,1),(-15,6,-5),(5,-2,2)] and B = [(1,2,-2), (-1,3,0),...
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- A merchant plans to sell two types of personal computers — a deskto...
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- Given three identical boxes I, II and III each containing two coins...
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- Prove that: int0^(pi/4)(sqrt(tanx)+sqrt(cotx)\ dx=sqrt(2)dotpi/2
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- Find the shortest distance between the following lines whose vector...
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- Using vectors, find the area of the triangle with vertices A (1, 1,...
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- Using matrices, solve the following system of equations: 4x+3y+3z=6...
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- A random variable X has the following probability distribution: ...
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