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XII BOARDS PREVIOUS YEAR-BOARD PAPER SOLUTIONS-All Questions
- A pair of dice is thrown 4 times. If getting a doublet is considere...
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- Evaluate: int0^1 1/(1+x^2)\ dx
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- Write the principal value of cos^(-1)(1/2)-2sin^(-1)(-1/2)
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- Simplify : cos theta[[costheta,si ntheta],[-si ntheta,costheta]]+si nt...
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- Evaluate int1^4(x^2-\ x)\ dx as a limit of sums.
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- If Delta=|[5, 3 ,8],[ 2, 0 ,1],[ 1 ,2 ,3]| , write the minor of the el...
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- Evaluate : int(1-x)sqrt(x)\ dxdot
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- Evaluate: int0^(pi/4)(sinx+cosx)/(9+16sin2x)dx
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- Find lambda where projection of vec (a) = lambda hat (i) + hat (j) ...
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- If a line has direction ratios 2, –1, –2, then what are its directi...
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- 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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