Respuesta :

Δ = b^2 - 4.a.c = 4 - 4.6.3 = -68< 0

rootΔ = root(-68)

no real solutions :) Cause -68 not positive.

Good Luck :)
Anny25
the answer is b. because√-68 could be factorized in -2√17
so 2+- -2√17/12 is the same that 1+- -√17/6
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