# Misc 2

Last updated at May 29, 2018 by Teachoo

Last updated at May 29, 2018 by Teachoo

Transcript

Misc 2 (Introduction) Contrapositive It is done by Adding not to both component statements & changing order p q ~ q ~ p Converse It is done by changing order of statement p q Then q p State the converse and contrapositive of each of the following statements: (i) p: A positive integer is prime only if it has no divisors other than 1 and itself. This statement is not in if-then form Writing in if-then form The statement can written as If A positive integer is prime , then it has no divisor other than 1 itself Converse If positive integer has no divisor other than 1 and itself , then it is prime Contrapositive It a positive integer has divisor other than 1 and itself , then it is not prime Misc 2 State the converse and contrapositive of each of the following statements: (ii) q: I go to a beach whenever it is a sunny day. The above statement can be written as If it is a sunny day, then I go to a beach Converse If I go to a beach, then it is a sunny day Contrapositive If I do not go to a beach, then it is not a sunny day Misc 2 State the converse and contrapositive of each of the following statements: (iii) r: If it is hot outside, then you feel thirsty. If It is a hot outside then you feel thirsty Converse It you feel thirsty, then it is hot outside. Contrapositive If you do not feel thirsty , the it is not hot outside.

Class 11

Important Question for exams Class 11

- Chapter 1 Class 11 Sets
- Chapter 2 Class 11 Relations and Functions
- Chapter 3 Class 11 Trigonometric Functions
- Chapter 4 Class 11 Mathematical Induction
- Chapter 5 Class 11 Complex Numbers
- Chapter 6 Class 11 Linear Inequalities
- Chapter 7 Class 11 Permutations and Combinations
- Chapter 8 Class 11 Binomial Theorem
- Chapter 9 Class 11 Sequences and Series
- Chapter 10 Class 11 Straight Lines
- Chapter 11 Class 11 Conic Sections
- Chapter 12 Class 11 Introduction to Three Dimensional Geometry
- Chapter 13 Class 11 Limits and Derivatives
- Chapter 14 Class 11 Mathematical Reasoning
- Chapter 15 Class 11 Statistics
- Chapter 16 Class 11 Probability

About the Author

Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.