Question
$(6+\sqrt{27})-(3+\sqrt{3})+(1-2\sqrt{3})$ when simplified is:
✓
Answer
- Positive and rational.
Solution:
$(6+\sqrt{27})-(3+\sqrt{3})+(1-2\sqrt{3})$
$=6+3\sqrt{3}-3-\sqrt{3}+1-2\sqrt{3}$
$=6+1-3$
$=4$
Positive and rational.
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