Usa formula General para resolver la función :F(x) = X ^ 2 - 2x - 5?
Usa formula General para resolver la función : F(x) = X ^ 2 - 2x - 5.
Usa formula General para resolver la función : F(x) = X ^ 2 - 2x - 5.
En resumen
- b±√b²4ac x = —————— . 2a a = 1. B = 2. C = 5 . - 2±√(2)²[4(1)(5)] x = ———————— . 2(1) . - 1±√4[(4)(5)] x = —————— . 2 . - 1±√(4)(20) x = —————— . 2 . - 1±√80 x = ———— . 2 . - 1 + 8. 94 x1 = ———— . 2 . 7. 94 x1 = ——— . 2 x1 = 3. 97 . - 1 - 8. 94 x2 = ———— . 2 .
Eyana
. - b±√b²4ac
x = ——————
.
2a
a = 1.
B = 2.
C = 5
.
- 2±√(2)²[4(1)(5)]
x = ————————
.
2(1)
.
- 1±√4[(4)(5)]
x = ——————
.
2
. - 1±√(4)(20)
x = ——————
.
2
. - 1±√80
x = ————
.
2
. - 1 + 8.
94
x1 = ————
.
2
. 7.
94
x1 = ———
.
2
x1 = 3.
97
. - 1 - 8.
94
x2 = ————
.
2
. - 9.
94
x2 = ———
.
2
x2 = - 4.
97.
Liderevangelico7
F(x) = x ^ 2 - 2x - 5
f'(x) = 2x - 2x
f'(x) = 0.
2х² - х - 6 = 0 ; D = b² - 4ac = 1 - 4 * 2 * ( - 6) = 49. √D = 7 ; x1 = (1 + 7) / 4 = 2 ; x2 = (1 - 7) / 4 = - 1, 5. Responder : 2 ; - 1, 5.
- 4x² + 10x + 24 formula general : Δ = - b±√b² - 4ac / 2a a : - 4 b : 10 c : 24 - 10±√10² - 4( - 4)(24) / 2( - 4) - 10±√100 + 384 / - 8 - 10±√484 / - 8 - 10±22 / - 8 EN ESTA PARTE DE DIVIDE EN 2 - 10 + 22 / - 8 ó - 10 -…