NCERT class 11 maths chapter 14 Mathematical Reasoning
Question 1:Write the negation of the following statements: (i) Chennai is the capital of Tamil Nadu. (ii) 2 is not a complex number (iii) All triangles are not equilateral triangle. (iv) The number 2 is greater than 7. (v) Every natural number is an integer.
Exercise 14.2 maths class 11 Chapter 14 Mathematical Reasoning
Question 2:Are the following pairs of statements negations of each other: (i) The number x is not a rational number. The number x is not an irrational number. (ii) The number x is a rational number. The number x is an irrational number.
Question 3:Find the component statements of the following compound statements and check whether they are true or false. (i) Number 3 is prime or it is odd. (ii) All integers are positive or negative. (iii) 100 is divisible by 3, 11 and 5
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