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On dividing a positive integer n by a 9 we get 7 as remainder what will be the remainder if 3n -1 is divided by 9 |
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Answer» Step-by-step EXPLANATION: the no. can.be WRITTEN as 9k+7 3n-1=3(9k+7)-1=27k+20=9(3k+2)+2. hens REMINDER will be 2 |
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