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XII BOARDS PREVIOUS YEAR-BOARD PAPER SOLUTIONS-All Questions
- Prove that: sin^(-1)(4/5)+sin^(-1)(5/(13))+sin^(-1)((16)/(65))=pi/2
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- If vecalpha=3 hat i+4 hat j+5 hat k and vecbeta=2 hat i+ hat j-\ 4 h...
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- Evaluate : int(cosx)/((2+sinx)dx\ (3+4sinx)
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- If [[1,2],[3,4]] [[3,1],[2,5]]=[[7,11],[k,23]], then write the value o...
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- Find the particular solution of the differential equation. (dy)/(dx...
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- Show that f\ : NvecN ,\ given by f(x)={x+1, if\ x\ i s\ od dx-1,\ \ ...
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- Evaluate : int(logx)/x\ dxdot
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- What is the value of the determinant |(0,2,0),(2,3,4),(4,5,6)|?
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- What is the degree of the following differential equation? 5x\ ((d...
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- 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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