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State which of the following are finite sets or infinite.In case of a finite set ,mention the order/cardinal number (i) A={x:x is prime number}(ii) B={x:x€R,x^2-8x-20=0}(iii)C={x:x€N,x^3-1=0}(iv) D={x:x€N,5x+2=11

Answer» State which of the following are finite sets or infinite.In case of a finite set ,mention the order/cardinal number
(i) A={x:x is prime number}
(ii) B={x:x€R,x^2-8x-20=0}
(iii)C={x:x€N,x^3-1=0}
(iv) D={x:x€N,5x+2=11


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