CBSE Guess Paper 2010

Mathematics

Class – XII

1. If A = , Write the value of .

2. Differentiate with respect to .

3. Find the value of a and b such that the function defined by is a continuous function.

                     

4. (i) (ii) (iii)

    (iv) (v) (vi)

5. If , then show that A is a root of the polynomial .

6. Solve the equations .

7. Evaluate the following limits:-

        (i)

        (ii)

        (iii) (iv)

         (v)

8. If x, Find x and y.

9. Differentiate w.r.t. ‘x’:- (i) (ii)

10. Evaluate OR

11. If f(x)= is continuous at x=1, find the value of a and b.

12.

13. If (a+bx)e^y/x =x ,then show that

                                          Or

       If x=a(α-sin α), y=a(1+cos α), find at α=

14. If and ,show that .

15. Using vectors prove that in a triangle ABC, cosA =, a, b and c are sides opposite to A,B and C respectively.