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XII BOARD PREVIOUS YEAR PAPER ENGLISH-BOARD PAPER SOLUTIONS-All Questions
- Write the value of cos^(-1)(-1/2)+2sin^(-1)(1/2)
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- Let R="{("a , a^3")":a is a prime number less than 5} be a relation. F...
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- Evaluate : int0^(pi/4)tanxdx
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- Evaluate : int(dx)/(sin^2xcos^2x)
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- If A is a3x3 matrix, |A| != 0 and |3A|=k|A| , then write the value of ...
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- If (a+4 3b8-6)=(2a b+2 8a-8b), write the value of a-2bdot
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- Show that vec(a), vec(b), vec(c ) are coplanar if and only if vec(a) +...
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- Five cards are drawn one by one, with replacement, from a well shuf...
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- Find the intervals in which the function f(x)=3/2x^4-4x^3-45 x^2+51 is...
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- Find the approximate value of f(3. 02), upto 2 places of decimal, whe...
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- Prove that : cot^(-1)7+cot^(-1)8+cot^(-1)18=cot^(-1)3
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- Solve for x : cos(tan^(-1)x)=sin(cot^(-1)\ 3/4)
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- Solve the differential equation (x^2-y)dy+(y^2+x^2y^2)dx=0, given t...
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- Solve the differential equation (dy)/(dx)+ycotx=2cosx , given that ...
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- Find the angle between the lines vec r=2 hat i-5 hat j+ hat k+lambda(...
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- Let f:W->W , be defined as f(x)=x-1 , if x is odd and f(x)=x+1 , if x ...
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- Using properties of determinants, prove that |[a+x,y,z],[x,a+y,z],[x,y...
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- x=acostheta+bsintheta and y=asintheta-bcostheta, show that y^2(d^2y)/(...
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- If x^my^n=(x+y)^(m+n) prove that (dy)/(dx)=y/x
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- Two schools P and Q want to award their selected students on the va...
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