Pertanyaan

2 − 3 5 = ...

$\frac{5}{2 - 3} = ...$

N. Puspita

Master Teacher

Jawaban terverifikasi

Jawaban

jawaban yang tepat adalah D.

Pembahasan

Rasionalkan bentuk . Jadi, jawaban yang tepat adalah D.

Rasionalkan bentuk $begin mathsize 14px style fraction numerator 5 over denominator 2 minus square root of 3 end fraction end style$ .

$table attributes columnalign right center left columnspacing 0px end attributes row cell fraction numerator 5 over denominator 2 minus square root of 3 end fraction end cell equals cell fraction numerator 5 over denominator 2 minus square root of 3 end fraction cross times fraction numerator 2 plus square root of 3 over denominator 2 plus square root of 3 end fraction end cell row blank equals cell fraction numerator 10 plus 5 square root of 3 over denominator 4 plus 2 square root of 3 minus 2 square root of 3 minus square root of 9 end fraction end cell row blank equals cell fraction numerator 10 plus 5 square root of 3 over denominator 4 minus 3 end fraction end cell row blank equals cell fraction numerator 10 plus 5 square root of 3 over denominator 1 end fraction end cell row blank equals cell 10 plus 5 square root of 3 end cell row blank equals cell 5 left parenthesis 2 plus square root of 3 right parenthesis end cell end table$

Jadi, jawaban yang tepat adalah D.