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XII BOARD PREVIOUS YEAR PAPER ENGLISH-BOARD PAPER SOLUTIONS-All Questions
- The two vectors hat j+ hat k and 3 hat i- hat j+4 hat k represent t...
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- Evaluate : int(-pi/2)^(pi/2)(cosx)/(1+e^x)dx
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- Evaluate : int(x^2)/((x^2+4)(x^2+9))dx
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- Two numbers are selected at random (without replacement) from posit...
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- If A=[[2,-1],[-1, 2]] and I is the identity matrix of order 2, then ...
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- If A=[[1,-1],[ 2,-1]] and B=[[a,1],[b,-1]] and (A+B)^2=A^2+B^2, then f...
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- Three machinesE1, E2 and E3 in a certain factory producing electric...
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- A shopkeeper has 3 varieties of pens ‘A’, ‘B’ and ‘C’. Meenu purcha...
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- Using properties of determinants, show that ABC is isosceles if |(1,1,...
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- A trust invested some money in two type of bonds. The first bond pays...
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- If cos^(-1)(x/a) + cos^(-1) (y/b) = a show that : (x^2)/(a^2) - (2xy...
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- Find : int(3x+1)sqrt(4-3x-2x^2)dx
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- Form the differential equation of the family of circles in the second ...
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- Solve the differential equation : y+x(dy)/(dx)=x-y(dy)/(dx)
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- Prove that the least perimeter of an isosceles triangle in which a cir...
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- Evaluate: int(x^2)/(x^4+x^2-2)\ dx
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- If the sum of lengths of hypotenuse and a side of a right angled tr...
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- Find the position vector of the foot of perpendicular and the perpe...
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- Prove that the curves y^2=4x and x^2=4y divide the area of square b...
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- Evaluate the following int0^(3/2)|xcospix\ |\ dxdot
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