$$f(x) = \frac{\left(1+x+x^{2}+x^{3}\right)(1-x)^{2}}{1-x-x^{2}+x^{3}}$$ Given this, what is the value of $f(\sqrt{2})$? A) 1 B) 2 C) 3 D) 4 E) 5
$$f(x) = \frac{\left(1+x+x^{2}+x^{3}\right)(1-x)^{2}}{1-x-x^{2}+x^{3}}$$
Given this, what is the value of $f(\sqrt{2})$?
A) 1\\
B) 2\\
C) 3\\
D) 4\\
E) 5