Question

class 11 Maths


Write negation of the following

a)"All cats scratch"
b)√5 is a rational number.​

Answer 1

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a)All cats scratch"

❛Negtion❜

✰Some cats do not scratch.

OR

✰There exist a catch which does not scratch.

OR

✰At least one cat does not scratch.

b)√5 is rational number.

❛Negation❜

√5 is not a rational number.

OR

√5 is irrational number.

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Answer 2

Answer:

(iii) The sum of 5 and 7 is 12, which is greater than 10. ... (i) The negation of the first statement is “the number x is a rational number”. ... Identify the quantifier in the following statements and write the negation of the .... (b) If a quadrilateral is a parallelogram, then its diagonals bisect each other. (i) If the .... (ii) q: All cats scratch.