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CBSE Class 12th Mathematics question paper 2012 Set-1

Sep 28, 2012 14:27 IST

Solve 2012 CBSE-Mathematics Question Paper (Set-1) given here.

2. Find the principal valueof tan-1 - sec-1 (-2)

10. find the distance of the plane 3x - 4y + 12z = 3 from the origin.

16. A ladder 5 m long is leaning against a wall. The bottom of the ladder is pulled along the ground, away from the wafl, at the rate of 2 cm/s. How fast is its height on the wall decreasing when the foot or the ladder is 4 m away from the wall?

18. Form the differential equation of the a of circles in the second quadrant and touching the coordinate axes.

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