Question

QNO7.We have an equation x2 + x + 1 = 0 its discriminant is
a)– 3
b)+ 3
c)9
d)None of these​

Answer 1

Answer:

none of these

please mark me as brainliest

Answer 2

Answer:

d)None of these

Step-by-step explanation:

x^2+x+1=0

x^2+x-x+1=0

x^2+1=0

putting in this formula a^2+b^2= (a+b)(a-b)

(x)^2+(1)^2 = (x+1)(x-1)