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Tuliskan tanpa menggunakan nilai mutlak. ∣∣​−3​+5​1​−21​∣∣​

Pertanyaan

Tuliskan tanpa menggunakan nilai mutlak.

open vertical bar negative fraction numerator 1 over denominator square root of 3 plus square root of 5 end fraction minus 1 half close vertical bar

M. Nasrullah

Master Teacher

Mahasiswa/Alumni Universitas Negeri Makassar

Jawaban terverifikasi

Jawaban

  nilai mutlak open vertical bar negative fraction numerator 1 over denominator square root of 3 plus square root of 5 end fraction minus 1 half close vertical bar ditulis tanpa menggunakan nilai mutlak adalah table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell fraction numerator 1 over denominator square root of 3 plus square root of 5 end fraction plus 1 half end cell end table  .

Pembahasan

Ingat bahwa hasil dari nilai mutlak selalu benilai positif, sehingga:

open vertical bar negative a close vertical bar equals open vertical bar a close vertical bar equals a

Sehingga diperoleh:

table attributes columnalign right center left columnspacing 0px end attributes row cell open vertical bar negative fraction numerator 1 over denominator square root of 3 plus square root of 5 end fraction minus 1 half close vertical bar end cell equals cell open vertical bar negative open parentheses fraction numerator 1 over denominator square root of 3 plus square root of 5 end fraction plus 1 half close parentheses close vertical bar end cell row blank equals cell open vertical bar fraction numerator 1 over denominator square root of 3 plus square root of 5 end fraction plus 1 half close vertical bar space open parentheses sifat space nilai space mutlak close parentheses end cell row blank equals cell fraction numerator 1 over denominator square root of 3 plus square root of 5 end fraction plus 1 half end cell end table

Jadi,  nilai mutlak open vertical bar negative fraction numerator 1 over denominator square root of 3 plus square root of 5 end fraction minus 1 half close vertical bar ditulis tanpa menggunakan nilai mutlak adalah table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell fraction numerator 1 over denominator square root of 3 plus square root of 5 end fraction plus 1 half end cell end table  .

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