По теореме Виета
x₁ + x₂ = -p
x₁x₂ = q
1)x₁ = 2, x₂ = 3
2 + 3 = 5
2*3 = 6
p = -5, q = 6
2)x₁ = -4, x₂ = 1
-4 + 1 = -3
-4 * 1 = -4
p = 3, q = -4
3)x₁ = -1, x₂ = -2
-1 - 2 = -3
-1 * (-2) = 2
p = 3, q = 2
4) x₁ = 5, x₂ = -3
5 - 3 = 2
5 * (-3) = -15
p = -2, q = -15
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Answers & Comments
По теореме Виета
x₁ + x₂ = -p
x₁x₂ = q
1)x₁ = 2, x₂ = 3
2 + 3 = 5
2*3 = 6
p = -5, q = 6
2)x₁ = -4, x₂ = 1
-4 + 1 = -3
-4 * 1 = -4
p = 3, q = -4
3)x₁ = -1, x₂ = -2
-1 - 2 = -3
-1 * (-2) = 2
p = 3, q = 2
4) x₁ = 5, x₂ = -3
5 - 3 = 2
5 * (-3) = -15
p = -2, q = -15