convert 5/7 rounded off to 2 places decimal
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1.Can the number 6", n being a natural number, end with the digit 5? Give reason.
2.Is 7 x 5 x 3 x 2 +3 a composite number? Justify your answer.
3.Prove that (2 (root 3)+root 5) is an irrational number. Also check whether (2 (root 3)+root 5) (2(root 3) - root5) is rational or irrational. I hope this
2.Is 7 x 5 x 3 x 2 +3 a composite number? Justify your answer.
3.Prove that (2 (root 3)+root 5) is an irrational number. Also check whether (2 (root 3)+root 5) (2(root 3) - root5) is rational or irrational. I hope this
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