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Class 12th RBSE 2013 Mathematics Paper

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Class-12th RBSE
Subject-Mathematics
year-2013


There is some questions:-
1. If R and S are equivalence relation in a set A, then show that relation R ∩ S is also an equivalence relation.
2. A wire of length 28 cm is to be cut into two pieces. One of the pieces is to be made into a square and the other into a circle. What should be the length of the two pieces so that the combined area of the square and the circle is minimum ?

3. Find the equation of the normal to the curve 2x2 – y2 = 14 which are parallel to the line x + 3y = 6.

4. Find the area of region bounded by the line y = 3x + 2, the x-axis and the ordinates x = -1 and x = 1.


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