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OpenStudy (anonymous):
Rationalize the denominator of 3/(4+sqrt(-5)+(3-2sqrt(5))
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OpenStudy (anonymous):
does anyone know this?
jhonyy9 (jhonyy9):
what is the denominator ?
jhonyy9 (jhonyy9):
do you know how many is sqrt(-1)=
OpenStudy (anonymous):
no
OpenStudy (anonymous):
?
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jhonyy9 (jhonyy9):
so if i^2 = -1 than how can you using this in your exercise ?
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