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XII BOARDS PREVIOUS YEAR-BOARD PAPER SOLUTIONS-All Questions
- The length x of a rectangle is decreasing at the rate of 5 cm/minut...
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- Find the intervals in which the function f given f(x)=\ sin x+cosx ,\...
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- Write the principal value of tan^(-1)(1)+cos^(-1)(-1/2)
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- Suppose a girl throws a dice. If she gets 5 or 6 she tosses a coin thr...
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- A dietician wishes to mix two types of foods in such a way that the...
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- Let vec(a)=hat(i)+4 hat(j)+2hat(k), vec(b)=3 hat(i)-2 hat(j)+7 hat(k) ...
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- Find the coordinates of the point where the line through the points...
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- Two cards are drawn simultaneously (without replacement) from a wel...
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- Using matrices, solve the following system of equations: 2x+3y+3z=5;...
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- Find the area of the region {(x , y)\ : x^2+y^2lt=4,\ x+y\ geq2}
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- If the lines (x-1)/(-3)=(y-2)/(-2k)=(z-3)/2 and (x-1)/k=(y-2)/1-(z-3)...
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- Sand is pouring from a pipe at the rate of12\ c m^3//s . The falling s...
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- Write the value of tan(2tan^-1(1/5)) .
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- Find (dy)/(dx)\ if (x^2+y^2)^2=x y
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- If y=3cos(logx)+4sin(logx),\ then show that x^2dot(d^2\ y)/(dx^2)+...
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- If x^m y^n=(x+y)^(m+n), prove that (dy)/(dx)=y/x .
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- Evaluate: int(3x-1)/((x+2)^2)\ dx
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- Evaluate: intx^2tan^(-1)x\ dx
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- If the binary operation * on the set of integers Z , is defined by ...
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- If int0^1(3x^2+2x+k)dx=0, find the value of kdot
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