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Sentences, Statements, Negation and Compound Statements (in Hindi)
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In this lesson the concept of statement and sentences have been explained. Negation has also been explained. Also the concept of compound statements has been introduced

Vineet Loomba is teaching live on Unacademy Plus

Vineet Loomba
IITian | No. 1 Educator in IIT-JEE (Maths) | 3 Million Minutes Watch Time | 8+ Years Experience | Youtube: Maths Wallah | vineetloomba.com

Unacademy user
sir please send me the link of your worksheet on indefinite integral
Vineet Loomba
3 months ago
Link dont work in comments ..just search on google with my name
very nice sir 🙋 thanks 😊
2 is prime number but it is even. So how can we say that "all prime numbers are odd" is a statement?
Vineet Loomba
4 months ago
As it is always false .. so this is a false statement
Neha Anand
4 months ago
Thank u sir
Vineet Loomba
5 months ago
Welcome
Pranshu jassal
5 months ago
sir how much does statistics important for jee and how should i cope with it
sir mathematical induction pe course banaiye please
Vineet Loomba
5 months ago
Tht is not asked anywhere
  1. MATHEMATICAL REASONING ALL YoU NEED FOR JEE MAIN (NTA SPECIAL) JEE MAIN RANK BOOSTER COURSE PREPARED BY ER. VINEET LOOMBA ITIAN IIT-JEE MENTOR


  2. 100% SUCCESS IN JEE MAIN AND ADVANCED (IIT-JEE) ABOUT ME B. Tech. From IIT Roorkee IIT-JEE Mentor Since 2010. * Many of my students are pursuing courses in IITs, NITs, BITs etc unacademy Currently running my own Coaching Institute for JEE Main and Advanced Follow me @ https://unacademy.com/user/vineetloomba to get updates or search me on Google


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  4. 100% SUCCESS IN JEE MAIN AND ADVANCED (IIT-JEE) Follow me on Unacademy for Next live Special Class Strategy for JEE Main and Advanced V Limits, Continuity, Differentiability v Sets, Relations and Functions V Indefinite Integration V Definite Integratiorn Trigonometry VApplications of Derivatives Complex Number Permutations Combinations Binomial Theorem V Logarithmic Functions V Sequences Series V Straight Lines Applications of Integrals Circles (Detailed Course) Probability Most Important Questions in IIT-JEE Mathematics Parabola (Detailed Course) Ellipse (Detailed Course) Inverse Trigonometry Upcoming Courses next month: Coordinate Geometry Differential Equations


  5. 100% SUCCESS IN JEE MAIN AND ADVANCED (IIT-JEE) Types of Sentences O Imperative sentences (expresses a request or command) Exclamatory sentences (expresses some strong feeling) O Interrogative sentences (asks some questions) SUCCESS IN JEE MAIN ER. VINEET LOOMBA (IIT RooRKEE)


  6. 100% SUCCESS IN JEE MAIN AND ADVANCED (IIT-JEE) "A sentence is called a mathematically acceptable statement if it is either true or false but not both". $ A statement is assumed to be either true or false. -* A true statement is known as a valid statement and a false statement is known as an invalid statement. Note: A statement cannot be both true and false at the same time. Sentences involving variable time such as "today", "tomorrow" or "yesterday" are not statements. SUCCESS IN JEE MAIN ER. VINEET LOOMBA (IIT RooRKEE)


  7. 100% SUCCESS IN JEE MAIN AND ADVANCED (IIT-JEE) O Three plus two equals five. - Yes -T O The sum of two negative number is negative. -Yes -T O Every square is a rectangle. - Yes-T Three plus four equals six. _Yes F All prime numbers are odd.-Yes F Every relation is a function. _ Yes F The sum of x and y is greater than 0-No The square of a number is even.-No SUCCESS IN JEE MAIN ER. VINEET LOOMBA (IIT RooRKEE)


  8. 100% SUCCESS IN JEE MAIN AND ADVANCED (IIT-JEE) (i) Give me a glass of water. (ii) Is every set finite? (ii) How beautiful? (iv) Tomorrow is Monday. These all the sentences are not a statement. SUCCESS IN EE MAIN ER. VINEET LOOMBA (IIT RooRKEE)


  9. 100% SUCCESS IN JEE MAIN AND ADVANCED (IIT-JEE) Negation: The denial of a statement p is called its negation and is written as ~p, and read as 'not p'. Negation of any statement p is formed by writing or or inserting the word "not" in p. SUCCESS IN JEE MAIN ER. VINEET LOOMBA (IIT RooRKEE)


  10. 100% SUCCESS IN JEE MAIN AND ADVANCED (IIT-JEE) Example p : The number 2 is greater than 7. The negation of this statement is p It is not the case that the number 2 is greater than 7 or p It is false that the number 2 is greater than 7. or p : The number 2 is not greater than 7. SUCCESS IN JEE MAIN ER. VINEET LOOMBA (IIT RooRKEE)


  11. 100% SUCCESS IN JEE MAIN AND ADVANCED (IIT-JEE) Example: 25 is a multiple of 5 and 8 The component statements are p : 25 is a multiple of 5 q 25 is a multiple of 8 The connecting word is "and" Example: Number 3 is prime or it is odd The component statements are p : Number 3 is prime q: Number 3 is odd. The connecting word is "or" SUCCESS IN JEE MAIN ER. VINEET LOOMBA (IIT RooRKEE)


  12. 100% SUCCESS IN JEE MAIN AND ADVANCED (IIT-JEE) The word "AND" : Any two statements can be connected by the word "and" to form a compound statement. Ex. 42 is divisible by 5, 6 and 7 The component statements of this statement are- p : 42 is divisible by 5. q 42 is divisible by 6. r: 42 is divisible by 7. Clearly statement p is false, while the q and r are true statements. Ex. 9 > 4 and 2 < 7 The component statements of this statement are p:9>4 q 2 7 Clearly p, q are true statement SUCCESS IN JEE MAIN ER. VINEET LOOMBA (IIT RooRKEE)


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