Question

Сократите дробь √4-4х+х^2/2-х при х>2

Answer 1

$\frac{ \sqrt{4}-4x + x^2 }{2-x} = \frac{ \sqrt{2^2}-4x + x^2 }{2-x} = \frac{ 2-4x + x^2 }{2-x}$