Lalagrl
24.07.2021 •
Mathematics
Cho biểu thức : A=(√x+1)/(√x-2) +(2√x)/(√x+2 )+(2+5√x)/(4-x)
a.Rút gọn A
b.Tính giá trị của A khi x=2
c.Tính giá trị của A khi X-5√x+6=0
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Ответ:
A= (3*X - 6)/(X-4)
A=(3*2 - 6)/(2-4)= -3+3
A=(3*4 - 6)/(4-4) Unknown
Step-by-step explanation:
Ответ: