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Answer:
discriminant :- -(31)
roots are not real number
Step-by-step explanation:
let a bi-quadratic equation be (ax^2 + bx +c) .
here in this equation b= 1, a= 2, c=4
so b^2 - 4ac = (1)^2 - 4×2×4 = 1 - 32 = -(31)
hope it helps....
plz make it brainliest answer..