CÂU 10. CH ỌN ĐÁP ÁN C − −= − Λ → Λ =6.2 12.103

1.10 2 k 0, 5

≤ λ =

→ ≤ ≤

6

→ ( )

6

6.10

6

0, 4.10 0, 75.10 8, 5 k 15, 5

k 0, 5

λ =

= µ