Matematika

Pertanyaan

bantu jawab, bsk dikumpul.

(√2 - 1)^2 = ...?

makasi.

2 Jawaban

  • semogaa paham caranya aja
    Gambar lampiran jawaban teanon

  • [tex] {( \sqrt{2} - 1)}^{2} \\ = ( { \sqrt{2} )}^{2} + (2 \times \sqrt{2} \times ( - 1)) + ( { - 1)}^{2} \\ = 2 - 2 \sqrt{2 } + 1 \\ = 3 - 2 \sqrt{2} [/tex]

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