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XII BOARDS PREVIOUS YEAR-BOARD PAPER SOLUTIONS-All Questions
- Find | vec x| , if for a unit vector vec a ,\ ( vec x-\ vec a)dot( v...
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- What is the value of the following determinant? Delta=|[4,a, b+c],[4...
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- What is the domain of the function sin^(-1)x ?
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- If 'f' is an invertible function, defined as f(x)=(3x-4)/5, write f...
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- Write a square matrix of order 2, which is both symmetric and skew ...
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- Find the direction cosines of the line passing through the followin...
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- If A=[[1, 2],[ 4, 2]], then find the value of k if |2A|=k\ |A|
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- If | vec a|=sqrt(3)\ | vec b|=2\ \ and vec a.vec b=sqrt(3,)\ find t...
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- 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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