Chapter 16 Probability In earlier class, we have already studied about the concept of probability. We have defined the probability of an event as the ratio...

Chapter 8 Binomial Theorem Binomial theorem for any positive integer n (a+b)n = nC0 an + nC1 an-1 b + nC2 an-2 b2 + … +...

Chapter 7 Permutations and Combinations Fundamental principle of counting  If an event can occur in m different ways, following which another event can occur in n...

Chapter 5 Complex Numbers In earlier classes, we have studied second degree equations. We have seen that if the b 2 -4ac is less than 0,...

Chapter 2 Relations and Functions Class 11 Ordered pair A pair having an order is called ordered pair Consider (a,b). a is called first component and...

Chapter –3 Trigonometry Video Tutorial Class (Click the following Link to see the Video ) Trigonometry Introduction Part 1 Trigonometry Functions | Values of larger angle...