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lindalu10lindalu
@lindalu10lindalu
October 2020
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função - f(x) - 3x² +18x - 15
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chica1
função - f(x) - 3x² +18x - 15
Δ= 144
x1= 1
x2 = 5
3 votes
Thanks 1
3478elc
Verified answer
-5 e -1
pois resolvendo soma e produto, ou seja,
s=-b/a e p=c/a onde: a=3 b=18 c=-15
0 votes
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função - f(x) - 3x² +18x - 15
Δ= 144
x1= 1
x2 = 5
Verified answer
-5 e -1pois resolvendo soma e produto, ou seja,
s=-b/a e p=c/a onde: a=3 b=18 c=-15