Question

Tolong dengan caranya yaaa

Answer 1

Verified answer

Jawabannya:

Pelajaran. : Matematika
Materi. : Soal Ujian

3. 3√28 + 7√63 - 2√448
= 3√4.7 + 7√9.7 - 2√64. 7
= 3. 2 + 7. 3 - 2. 8 / √7
= 6 + 21 -16 / √7
= 11/√7 →→ C
4. 1√5/ 1+√5 × 1-√5 /1-√5
= -1-5√5. 3-5/1-5
= -6√5.-2/-4
= -3+√5/2 →→ D
5. √35-8√6
= √5.7 / √4. 2 √6
= 7√5 / 4√2√6
= √2+√3 → E

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