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naughtygirl5493


tim lim
a,lim( 2n+(-1)^n)/(3n-(-1)^n)
b,lim(2^(2n+1)+5^n)/(3^(n+2)+5^n)
cau b minh ra 1 khong biet dung khong?
a,lim( 2n+(-1)^n)/(3n-(-1)^n)
b,lim(2^(2n+1)+5^n)/(3^(n+2)+5^n)
cau b minh ra 1 khong biet dung khong?