InterviewSolution
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InterviewSolution
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State the reasons for the following : (i){1,2,3.....10} ne {x : x ne N and 1 lt x lt 10} (ii) {2,4,6,8,10} ne {x: x =2n+1 and x ne N} (iii) {5,15,30,45} ne {x : x is a multiple of 15} (iv) {2,3,5,7,9} ne {x : x is a prime number} |
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Answer» (ii) x=2x+1 MEANS x is odd (iii) x is multiple of 15. So 5 does not exist (ix) x is prime number but 9 is not a prime number |
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