Pertanyaan

Bentuk sederhana dari 2 + 7 3 3 = ....

Bentuk sederhana dari $\frac{3 3}{2 + 7}$ = ....

S. Intan

Master Teacher

Mahasiswa/Alumni Institut Pertanian Bogor

Jawaban terverifikasi

Pembahasan

$begin mathsize 14px style fraction numerator 3 square root of 3 over denominator square root of 2 plus square root of 7 end fraction end style$

$begin mathsize 14px style equals fraction numerator 3 square root of 3 over denominator square root of 2 plus square root of 7 end fraction space. space fraction numerator square root of 2 minus square root of 7 over denominator square root of 2 minus square root of 7 end fraction equals fraction numerator 3 square root of 6 minus 3 square root of 21 over denominator 2 minus 7 end fraction equals fraction numerator 3 square root of 6 minus 3 square root of 21 over denominator negative 5 end fraction equals 3 over 5 square root of 21 minus 3 over 5 square root of 6 end style$