Pertanyaan

Hasil dari 7 − 6 13 + 2 42 adalah….

Hasil dari $\frac{13 + 2 42}{7 - 6}$ adalah….

S. Dwi

Master Teacher

Jawaban terverifikasi

Pembahasan

$fraction numerator square root of 13 plus 2 square root of 42 end root over denominator square root of 7 minus square root of 6 end fraction equals fraction numerator square root of open parentheses 6 plus 7 close parentheses plus 2 square root of open parentheses 6 cross times 7 close parentheses end root end root over denominator square root of 7 minus square root of 6 end fraction equals fraction numerator square root of 6 plus square root of 7 over denominator square root of 7 minus square root of 6 end fraction cross times fraction numerator square root of 7 plus square root of 6 over denominator square root of 7 plus square root of 6 end fraction equals fraction numerator open parentheses square root of 6 plus square root of 7 close parentheses open parentheses square root of 7 plus square root of 6 close parentheses over denominator open parentheses square root of 7 close parentheses squared minus open parentheses square root of 6 close parentheses squared end fraction equals fraction numerator square root of 6 open parentheses square root of 7 plus square root of 6 close parentheses plus square root of 7 open parentheses square root of 7 plus square root of 6 close parentheses over denominator 7 minus 6 end fraction equals square root of 42 plus square root of 36 plus square root of 49 plus square root of 42 equals square root of 42 plus 6 plus 7 plus square root of 42 equals 13 plus 2 square root of 42$