## Straight Lines Class 11 Notes

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 = p x cos600 … Read More

## 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 points between and extending … Read More

## 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.        Write first 3 … Read More

## 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 : (x,0,z) + + … Read More

## 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 8 is less than … Read More

## 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 of number of outcomes … Read More

## 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 + … + nCn bn         =  … Read More

## 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 different ways, then the … Read More

## 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, then the second degree … Read More

## 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 b is called second … Read More