Question

сократите дробь (а-3а^(1/2))/(а+3а(1/2))

Answer 1

а + 3а½(-1) / а + 3а½(1) = -1/1 = -1

Answer 2

сократите дробь


 (а-3а^(1/2))/(а+3а^(1/2))=

=[а^(1/2)(а^(1/2)-3)]/[(а^(1/2))(а^(1/2)+3)]=

=(а^(1/2)-3)/(а^(1/2)+3)