Question

Найди корни уравнения x2−14x+2=0.

Answer 1

$x^2-14x+2=0\x^2-14x+49-47=0\(x-7)^2 - (sqrt{47})^2=0\(x-7-sqrt{47})(x-7+sqrt{47})=0\x_1 = 7 + sqrt{47}\x_2 = 7 - sqrt{47}\Answer: \x_1 = 7 + sqrt{47}\x_2 = 7 - sqrt{47}$