O valor da expressão

fraction numerator open parentheses 1 minus begin display style 1 half end style close parentheses squared over denominator begin display style 3 over 4 end style end fraction plus fraction numerator begin display style 1 fifth end style over denominator open parentheses 1 minus begin display style 4 over 5 end style close parentheses end fraction space é colon

Resposta:

A alternativa correta é letra C

fraction numerator open parentheses 1 minus begin display style 1 half end style close parentheses squared over denominator begin display style 3 over 4 end style end fraction plus fraction numerator begin display style 1 fifth end style over denominator open parentheses 1 minus begin display style 4 over 5 end style close parentheses end fraction space equals space fraction numerator begin display style 1 fourth end style over denominator begin display style 3 over 4 end style end fraction plus fraction numerator begin display style 1 fifth end style over denominator begin display style 1 fifth end style end fractionequals space 1 third plus 1 equals 4 over 3

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