The positive value of `lambda` for which the coefficient of `x^(2)` in the expression `x^(2) (sqrt(2) + (lambda)/(x^(2)))^(10)`

The positive value of `lambda` for which the coefficient of `x^(2)` in the expression `x^(2) (sqrt(2) + (lambda)/(x^(2)))^(10)` is 720 is
A. `sqrt(5)`
B. 4
C. `2sqrt(5)`
D. `3

The positive value of `lambda` for which the coefficient of `x^(2)` in the expression `x^(2) (sqrt(2) + (lambda)/(x^(2)))^(10)` is 720 is

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