Question

Rationalize the denominator of √-36
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(2-3i)+(2+3i)

Answer 1

well the denominator is imaginary (or complex) in its current state, but to make it rational, all you do is multiply it out. The root of -36 on the numerator is comlex too, but you want to rationalise the denominator so this need not be touched...

Answer 2

oh it's a plus! my bad

Answer 3

denominator is 4

Answer 4

\[\frac{i\sqrt{6}}{4}\] does the job since here \[4\in \mathbb{Q}\]

Answer 5

god damn i am stupid it is this \[\frac{3i}{2}\]

Answer 6

the point is, 2 ∈ Q