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Rasionalkan penyebut  adalah ...?

Pertanyaan

Rasionalkan penyebut fraction numerator 5 over denominator square root of 14 plus square root of 6 end fraction adalah ...?

  1. 5 over 6 open parentheses square root of 14 minus square root of 6 close parentheses

  2. 5 over 8 open parentheses square root of 14 minus square root of 6 close parentheses

  3. 5 over 7 open parentheses square root of 14 minus square root of 6 close parentheses

  4. 5 over 5 open parentheses square root of 14 minus square root of 6 close parentheses

Pembahasan Soal:

Rasionalkan penyebut fraction numerator 5 over denominator square root of 14 plus square root of 6 end fraction adalah ...?

table attributes columnalign right center left columnspacing 0px end attributes row cell fraction numerator 5 over denominator square root of 14 plus square root of 6 end fraction end cell equals cell fraction numerator 5 over denominator square root of 14 plus square root of 6 end fraction space straight x space fraction numerator square root of 14 minus square root of 6 over denominator square root of 14 minus square root of 6 end fraction end cell row blank equals cell fraction numerator 5 open parentheses square root of 14 minus square root of 6 close parentheses over denominator 14 minus 6 end fraction end cell row blank equals cell fraction numerator 5 square root of 14 minus square root of 6 over denominator 8 end fraction end cell row blank equals cell 5 over 8 open parentheses square root of 14 minus square root of 6 close parentheses end cell end table

Jadi hasil rasional pecahan  fraction numerator 5 over denominator square root of 14 plus square root of 6 end fraction equals 5 over 8 open parentheses square root of 14 minus square root of 6 close parentheses.

Oleh karena itu, jawaban yang benar adalah C.

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 09 Juni 2021

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