Question

(3) Which of the following are empty sets? why?
(i) A= {ala is a natural number smaller than zero.}
(ii) B= {x r = 0; (iii) C{x 5x - 2 0, xe N}​

Answer 1

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Step-by-step explanation:Set A and C would be empty sets.

i. Set A has no solution as natural number begin from 1. A=∅

ii. Set B has solution zero. I.e : B={0}

iii. For set C , x's value would be 0.4, which is not a natural number. So, Set C=∅.