Etra
Etra
25-08-2017
Mathematics
contestada
3x^2 - 4x + 7 (Find the domain of the expression)
Respuesta :
siennablanco1
siennablanco1
31-08-2017
x1
=
−(−4) − √
(−4)2 − 4×3×7
2×3
=
4 − 2 × √ 17 i
6
≈ 0.666667 − 1.374369i
x2
=
−(−4) + √
(−4)2 − 4×3×7
2×3
=
4 + 2 × √ 17 i
6
≈
0.666667 + 1.374369i
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