CBSE Guess > Papers > Important Questions > Class XII > 2008 > Maths > Maths By Mrs. Geethanjali Bhatt Differential Calculus And Matrices And Determinants Q. 1. If sin y = xcos(a + y) and find k (3 marks) Q. 2. If f(x) = find f’(o) (3marks) Q. 3. Verify the mean value theorem for f(x) = in [1,3] (4 marks) Q. 4. If x = a ( + ) y = (1 + cos ) find (4 marks) Q. 5. If x^{p}y^{q} = (x + y) ^{p}+^{q} prove that Or (4 marks) Q. 6. Consider the function defined as follows for . In each case ,what choice (if any) of f(0) will make the function continuous at x = 0. (4 marks) Q. 7. If x = acos + bsin y = asin  bcos(4 marks) Q. 8. Or (4 marks)

