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Ответ:
Объяснение:
(a²-(1/b²)):(a-(1/b))=((a²b²-1)/b²):((ab-1)/b)=((a²b²-1)/b²)*(b/(ab-1))=
=(ab-1)*(ab+1)*b/(b²*(ab-1))=(ab+1)/b=a+(1/b).
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Verified answer
Ответ:
Объяснение:
(a²-(1/b²)):(a-(1/b))=((a²b²-1)/b²):((ab-1)/b)=((a²b²-1)/b²)*(b/(ab-1))=
=(ab-1)*(ab+1)*b/(b²*(ab-1))=(ab+1)/b=a+(1/b).