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1) Prove or Disporve : For any real numbers "r" and "s", If"rs" is a rational number then both
"r" and " s" are rationalnumbers
1) Prove or Disporve : For any real numbers "r" and "s", If"rs" is a rational number then both
"r" and " s" are rationalnumbers
Solution
It's not true Foe example , if r=2+3 , s=2-3 then rs=4-3=1 ,however , both r and s
are irrational numbers

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