Question

W Pшим колисиньо1x²+x-11-1​

Answer 1

$1 {x}^{2} + x - 11 - 1$

$1 {x}^{2} + x - 12 = 0$

$d = {b}^{2} - 4ac$

$d = 1 - 4 \times 1 \times 12 = - 47$

Так как дискриминант (d) отрицательный, значит, что корней нет

Answer 2

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