Answer:
The correct answer is last option
2n + m√n - nm
Step-by-step explanation:
It is given an expression,
4√n² + √m²n - √4n² - √mn²
To simplify the expression
4√n² + √m²n - √4n² - √mn² = 4n + m√n -2n -nm
= 4n - 2n + m√n - n√m
= 2n + m√n - n√m
Therefore the correct answer is last option
