Roboguru

Bentuk sederhana dari  adalah ....

Pertanyaan

Bentuk sederhana dari square root of 14 minus 6 square root of 5 end root adalah ....

  1. 5 minus square root of 3

  2. square root of 3 plus square root of 5

  3. square root of 3 minus square root of 5

  4. 3 plus square root of 5

  5. 3 minus square root of 5

Pembahasan Soal:

square root of 14 minus 6 square root of 5 end root left right double arrow n equals square root of 14 squared minus left parenthesis 6 square root of 5 right parenthesis squared end root  space space space space space space space space space space space space space space space space space space space space space space space space space equals square root of 196 minus 180 end root equals square root of 16 equals 4  square root of 14 minus 6 square root of 5 end root equals square root of fraction numerator 14 plus 4 over denominator 2 end fraction end root minus square root of fraction numerator 14 minus 4 over denominator 2 end fraction end root  space space space space space space space space space space space space space space space space space space equals square root of 9 minus square root of 5 equals 3 minus square root of 5

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 22 Desember 2020

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