Answer:
X/2
Step-by-step explanation:
/ is division sign
m√n + 2n -n√m
Solution:
4√n^2 +√m^2n - √4n^2 - √mn^2
= 4n + m√n - 2n - n√m
= m√n + 4n - 2n - n√m
Therefore, m√n + 2n -n√m
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Answer:B