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...

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## Straight Lines class 11 Chapter 10

Chapter 10 Straight Lines What is a Straight Line? Lines can be parallel, perpendicular, intersecting, or concurrent. A straight line is the set of all...

Continue reading...## Sequence and series Class 11

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

Continue reading...## Introduction to Three Dimensional Geometry

Chapter 12 Introduction to Three Dimensional Geometry x- axis : (x,0,0) y- axis : (0,y,0) z- axis : (0,0,z) XY-plane : (x,y,0) YZ-plane : (0,y,z) ZX-plane...

Continue reading...## Mathematical Reasoning Class 11

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...

Continue reading...## Probability Class 11

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...

Continue reading...## Binomial Theorem class 11

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

Continue reading...## Permutations and Combinations Class 11

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...

Continue reading...## Complex Numbers Class 11

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,...

Continue reading...## Relations and Functions Class 11

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...

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