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XII BOARDS PREVIOUS YEAR-BOARD PAPER SOLUTIONS-All Questions
- If a unit vector vec a makes angles pi/3 with hat i ,pi/4 with hat ...
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- Find | vec x| , if for a unit vector vec a ,\ ( vec x- vec a)*( vec ...
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- Find the length of the perpendicular drawn from the origin to the p...
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- Find the vector equation of the plane passing through three points ...
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- Write the principal value of tan^(-1)sqrt(3)-cot^(-1)(-sqrt(3)) .
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- Write the value of tan^(-1)[2sin(2cos^(-1)(sqrt(3/2))] .
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- For what value of x is the matrix A=[(0,1,-2),(1,0,3),(x,3,0)] a skew-...
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- Using matrices, solve the following system of linear equations: x - ...
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- Write the differential equation representing the family of curves y...
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- If A(ij) is the cofactor of the element a(ij) of the determinant |(2,-...
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- P and Q are two points with position vectors 3 vec a-2 vec b and v...
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- Show that the differential equation 2y e^(x/y)\ dx+(y-2x e^(x y) ) dy=...
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- Sketch the graph of y=|x+3| and evaluate the area under the curve ...
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- Evaluate: int(x^2+1)/((x-1)^2(x+3))\ dx
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- Evaluate: int(xsin^(-1)x)/(sqrt(1-x^2))\ dx
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- Using differentials, find the approximate value of f(2. 01), where ...
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- Find the equation of the tangent to the curve y=sqrt(4x-2)\ which ...
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- Prove the following: tan^(-1)sqrt(x)=1/2cos^(-1)((1-x)/(1+x)),\ x\ \ ...
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- Prove the following: cos^(-1)((12)/(13))+sin^(-1)(3/5)=sin^(-1)((56)/...
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- An aeroplane can carry a maximum of 200 passengers. A profit of Rs....
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