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XII BOARDS PREVIOUS YEAR-BOARD PAPER SOLUTIONS-All Questions
- Write the vector equation of the line given by (x-5)/3=(y+4)/7=(z-6...
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- Prove that: tan^(-1)[(sqrt(1+x)-sqrt(1-x))/(sqrt(1+x)+sqrt(1-x))]=pi/4...
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- Using properties of determinants, solve the following for x: |[x-2, ...
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- If x=tan(1/alogy)\ , show that (1-x^2)(d^2\ y)/(dx^2)+(2x-a)(dy)/(dx)=...
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- Evaluate: int0^(pi/2)(x+sinx)/(1+cosx)
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- Solve the following differential equation: x\ dy-y\ dx=sqrt(x^2+y^2...
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- Solve the following differential equation: (y+3x^2)(dx)/(dy)=x
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- A speaks truth in 60% and Bin 80% of the cases. In what percentage of ...
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- If vec a and vec b are two vectors such that | vec a+ vec b|=| vec a...
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- In answering a question on a multiple choice test, a student either...
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- An urn contains 4 white and 3 red balls. Let X be the number of red...
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- If y=(s in^(-1)\ x)/(sqrt(1-x^2)) , show that (1-x^2) (d^2\ y)/(dx^2)...
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- Using properties of determinants, prove the following: |[1,1+p,1+p+q],...
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- On a multiple choice examination with three possible answers (out o...
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- If vec p is a unit vector and ( vec x-\ vec p).( vec x+\ vec p)...
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- Let f: NvecN be defined by f(n)={(n+1)/2,\ "if"\ n\ "i s\ o d d"n/2...
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- Solve the following differential equation: cos^2x(dy)/(dx)+\ y=tanx
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- Solve the following differential equation: x(dy)/(dx)=y-xtan(y/x)
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- Find the distance of the point P(6,5,9) from the plane determined b...
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- If matrix A=[[1,-1],[-1 ,1]] and A^2=k A , then write the value of k
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