Is the simplified form of 2 Radical3 -2 radical3, RRATIONAL???

yes

or

no

Problem #2

Is the simplified form of 2 radical3 * rational 12, RATIONAL?????
yes
or
No

Question

Is the simplified form of 2 Radical3 -2 radical3, RRATIONAL???

yes

or

no

Problem #2

Is the simplified form of 2 radical3 * rational 12, RATIONAL?????
yes
or 
No

kirbykirby · Answer

$$2\sqrt{3}-2\sqrt{3}$$ ?

anonymous · Answer

yes, can you help me with both problems please!!!

kirbykirby · Answer

sure. Well the first one you re subtracting off the same number itself, what does that give :) ?

anonymous · Answer

attachment

kirbykirby · Answer

yes. Do you know if 0 is rational?

kirbykirby · Answer

recall that a rational number is a number that can be expressed as a fraction of integers, $$ \frac{a}{b}$$, where $b \ne 0$

kirbykirby · Answer

$2\sqrt{3}\times \sqrt{12}=2\sqrt{3}\times \sqrt{4\cdot 3}=2\sqrt{3}\times 2\sqrt{3}$