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Answer» 1/1+×^a/ x^b=1/ x^b+ x^a/ x^b= x^b/ x^b+ x^a_______(1), 1_/1+ x^b-a=1/x^a + x^b/ x^a=x^a_/ x^a+ x^b________(2) ; x^b/ x^b + x^a + x^a/ x^a+ x^b= x^a + x^b/ x^a+ x^b=1 |
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