|x| = a - 2 ⇒ x = a - 2; x = -(a - 2) = 2 - a
(a - 3)*x = 1
ax - 3x = 1
1) x = a - 2
a² - 2a - 3a + 6 = 1
a² - 5a + 5 = 0
D = b² - 4ac = 5
x₁ = 5/2 + √5/2; x₂ = 5/2 - √5/2
a₁ = 1/2 + √5/2; a₂ = 1/2 - √5/2
2) x = 2 - a
2a - a² - 6 + 3a = 1
a² - 5a + 7 = 0
D = -3 < 0 ⇒ бесконечное число решений.
Ответ: (x₁ = 5/2 + √5/2; x₂ = 5/2 - √5/2); (a₁ = 1/2 + √5/2; a₂ = 1/2 - √5/2)
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|x| = a - 2 ⇒ x = a - 2; x = -(a - 2) = 2 - a
(a - 3)*x = 1
ax - 3x = 1
1) x = a - 2
a² - 2a - 3a + 6 = 1
a² - 5a + 5 = 0
D = b² - 4ac = 5
x₁ = 5/2 + √5/2; x₂ = 5/2 - √5/2
a₁ = 1/2 + √5/2; a₂ = 1/2 - √5/2
2) x = 2 - a
2a - a² - 6 + 3a = 1
a² - 5a + 7 = 0
D = -3 < 0 ⇒ бесконечное число решений.
Ответ: (x₁ = 5/2 + √5/2; x₂ = 5/2 - √5/2); (a₁ = 1/2 + √5/2; a₂ = 1/2 - √5/2)