can anyone solve please solve 2nd,4th,5th,7th questions please I need you help guys please give relevant answer please
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th it to do ri@ur 8rxirxit@8txti it r8 8ryes
yes I can help you
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2nd answer:-
Here 7 divides b² so for 7 divides b. Here we find 7 is common which divide both a and b but this is contradiction because a and b are co prime they don't have common factor other than 1. So for our assumption is wrong. Hence √7 is irrational.
4th question answer is in pic
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