Matematika

Pertanyaan

Tentukan x jika matriks berikut matriks singular



| ¼ ½ |
| -2 2x+1 |

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1 Jawaban

  • Matriks

    Jika matriks singular , maka det = 0

    (1/4)(2x + 1) - (1/2) (-2) = 0
    (1/4)(2x + 1) + 1 = 0
    (1/4)(2x + 1) = -1
    ----------------------- x 4
    2x + 1 = -4
    2x = -5
    x = -5/2

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