Odpowiedź:
w(x) = ∛x⁴ - 3x³ + mx² + 33
w(3) = 6
6 = ∛3⁴ - 3 * 3³ + m * 3² + 33
6 = ∛3³ * ∛3 - 3 * 27 + 9m² + 33
6 = 3∛3 - 81 + 9m² + 33
9m² = 6 - 33 + 81 - 3∛3
9m² = 54 - 3∛3
m² = (54 - 3∛3)/9
[m - √(54 -3∛3)/3][m + √(54 - 3∛3)/3]
m = - √(54 - 3∛3)/3 ∨ √(54 - 3∛3)/3
∨ -znaczy "lub"
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Odpowiedź:
w(x) = ∛x⁴ - 3x³ + mx² + 33
w(3) = 6
6 = ∛3⁴ - 3 * 3³ + m * 3² + 33
6 = ∛3³ * ∛3 - 3 * 27 + 9m² + 33
6 = 3∛3 - 81 + 9m² + 33
9m² = 6 - 33 + 81 - 3∛3
9m² = 54 - 3∛3
m² = (54 - 3∛3)/9
[m - √(54 -3∛3)/3][m + √(54 - 3∛3)/3]
m = - √(54 - 3∛3)/3 ∨ √(54 - 3∛3)/3
∨ -znaczy "lub"