Class 11

Chapter 10Straight Lines Class 11 Notes Q. Radius of the circle is 5 cm. find the equation of the tangent line x cosω + y sinω...

Chapter 9 Sequence and series Q. Let the sequence an be defined by a1 = 1, an = an-1 +2 for n ≥ 2.     ...

Chapter 14 Mathematical Reasoning A sentence is called mathematically acceptable statement if it is either true or false not both Statements: Two plus two equals four...

 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,...