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Write the following sets in roster …

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Write the following sets in roster form

1) B = {x : x is a positive factor of a prime number}

2) C={x : x2=x where x belongs to Real numbers}

Answer it quickl

Fast.pls its very urgent..

Posted by Anshika Solanki 7 years ago

CBSE > Class 11 > Mathematics

1 answers

Dharmendra Kumar 6 years, 9 months ago

1) B={2,3,5,7,11,...} since prime or positive factors of prime numbers are itself.

2)C={0,1} since C={x: x²=x where x belongs to R}

={x: x²-x=0 where x belongs to R}

={x: x(x-1)=0 where x belongs to R}

={x: x=0 and x-1=0 where x belongs to R}

={x: x=0 and x=1where x belongs to R}

={0,1}

0Thank You

ANSWER

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CBSE > Class 11 > Mathematics