4. 2√7
5. 5/2√6 - 5
Penjelasan dengan langkah-langkah:
4. 3√7 + √7 - 2√7
= (3+1-2)√7
= 2√7
5. terlampir di foto
4. 3✓7 + ✓7 - 2✓7 = 4✓7 - 2✓7
= 2✓7
5. 5 / 2 + ✓6 x (2 - ✓6) / (2 - ✓6)
= 10 - 5✓6 / 4 - 2✓6 + 2✓6 - 6
= 10 - 5✓6 / -2
= -5 + ½✓6
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4. 2√7
5. 5/2√6 - 5
Penjelasan dengan langkah-langkah:
4. 3√7 + √7 - 2√7
= (3+1-2)√7
= 2√7
5. terlampir di foto
Penjelasan dengan langkah-langkah:
4. 3✓7 + ✓7 - 2✓7 = 4✓7 - 2✓7
= 2✓7
5. 5 / 2 + ✓6 x (2 - ✓6) / (2 - ✓6)
= 10 - 5✓6 / 4 - 2✓6 + 2✓6 - 6
= 10 - 5✓6 / -2
= -5 + ½✓6