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Mariah83
@Mariah83
December 2019
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Qunatos que é 3x²-5x+1=0 ??
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dilbertson
3x² - 5x + 1 = 0
a = 3 b = - 5 c = 1
-b±
√b²-4.a.c
------------
2.a
-(-5)
±√(-5)²-4.3.1
---------------
2.3
+5±√25-12
---------
6
+5±√13
------
6
+5±3,6
----------
6
x¹=+5+3,6= x¹= +8,6 x¹= +1,4
-------- -------
6 6
x²=+5-3,6= x²= +2,6 x²= +0,4
-------- -------
6 6
1 votes
Thanks 1
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Lista de comentários
a = 3 b = - 5 c = 1
-b±√b²-4.a.c
------------
2.a
-(-5)±√(-5)²-4.3.1
---------------
2.3
+5±√25-12
---------
6
+5±√13
------
6
+5±3,6
----------
6
x¹=+5+3,6= x¹= +8,6 x¹= +1,4
-------- -------
6 6
x²=+5-3,6= x²= +2,6 x²= +0,4
-------- -------
6 6