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leslymejiaquiroz1
26.06.2019 •
Mathematics
What exclusions are placed on the variable a for the fraction (am^2+4m)/a^2+4 my choices are: -2 0 none
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Ответ:
None.
Step-by-step explanation:
The only possible restriction in the rational expression
can originate in its denominator being zero for some values of a. However, since the denominator in this case (a^2+4) is always positive (and larger or equal to 4) for all values, no restrictions on the variable a exist.
Ответ:
Step-by-step explanation:
The answer is b