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skyhighozzie
17.09.2019 •
Mathematics
When are we suppose to rationalize the denominator?
like here, 1/ is that the final answer? how come we can't rationalize this denominator?
and other x^-1/5 and my teacher said the answer for this one is - 1/ how come? can't we rationalize the denominator?
this is so hard? can somebody ?
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Ответ:
you can rationalize the denomenator
one way is to convert to exponent
and remember your exponential rules
remember that
also,
and
so
so we want x^{4/4}, so 1/4+3/4=4/4
times the whole thing by
but, it looks alot nicer in the original form tho
the 2nd one, we multiply it by
but it looks nicer in original form tho
so you can ratinalize the denomenator but you don't always have to
Ответ:
x=9/5
Step-by-step explanation: