Автор - fhajkdjs

Сократите дробь 2у^2+9у-5/4у^2-1

Ответ

Автор - wieslawlozickip5w1nd

Ответ:

Объяснение:

(2y²+9y-5)/(4y²-1)=  [(x+5)(x-1/2)] /4(y²-1/4)=

=[(x+5)(x-1/2)] /[ 4(y+1/2)(4-1/2)]=   (x+5)/(4y+2)

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