Giả sử tỷ lẹ bệnh nhân tại 1 thành phố là a%
1 answer:
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Look at attached photo
first divide each line into the number as shown in the denominator
first divide each line into the number as shown in the denominator
Step-by-step explanation:
if b+c=0
b=-c
x^b=x^-c
so
1/[2(x^b)+1]
