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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 quickly

  • 1 answers

Neeraj Sharma 8 years, 7 months ago

Prime numbers have only two factors i.e. 1 and itself

{tex}B = \left\{ {1,x} \right\}{/tex}

As we know

 {tex}\eqalign{ & {\left( 0 \right)^2} = 0 \cr & {\left( 1 \right)^2} = 1 \cr} {/tex}

{tex}C = \left\{ {0,1} \right\}{/tex}

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