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liubo4ka [24]
3 years ago
15

Simplify rational expression a^2+2a+1/5a+5

Mathematics
2 answers:
sashaice [31]3 years ago
6 0
<span>a in (-oo:+oo)

a^2+2*a+(1/5)*a+5 = 0

a^2+11/5*a+5 = 0

DELTA = (11/5)^2-(1*4*5)

DELTA = -379/25

DELTA < 0

a belongs to the empty set
</span>
Nana76 [90]3 years ago
5 0
Simplify the expression.
5a^2 + 11a + 25 / 5
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