CBSE Guess > Papers > Important Questions > Class XII > 2010 > Maths > Mathematics By Mr Vasu Raj CBSE CLASS XII
Q. 8. Find k so that Q. 9. Find k so that Q. 10 . Show that sine function is continuous everywhere. Q. 11 Show that the cosine function is continuous everywhere. Q. 12 show that function is defined is everywhere continuous except at x = 4 Q. 13. Show that the function ax is continuous in its domain. Q.14 . Find all the points of discontinuity of the function f defined by f(x) = Q. 15. Find the points of discontinuity of the function f(x) = Q. 16 . Find all the values of a and b so that the function f defined by f(x) = Q. 17 . Discuss the continuity of the function f given by f(x) = Q.18 . Show that f(x) = cos Q.19 .Find all the points of discontinuity of the function f(x) = [x], where [x] denotes the greatest integer less than or equal to x. Q. 20 Show that f(x) = Q. 21 Examine whether sin Q. 22. Show that f(x) = Q. 23 Show that f(x) = Q. 24 Discuss the differentiability of f(x) = x Q.25 . Discuss the differentiability of f(x) =
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is continuous at x = 0. 
is continuous at x = 2. 
.
is continuous at x = 3.
is a continuous function.
is a continuous function.
is continuous.
is a continuous function.
is continuous but not differentiable at x = 2.
at x = 0.
.