Nature of roots of the equation x2+2x+4=0 is
(a) real and equal(b) real and unequal(c) not real(d) none of these
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Step-by-step explanation:
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Answer:
Step-by-step explanation:
D = b^2 - 4ac
a = 1
b = 2
c = 4
(2)^2 - 4(1)(4)
4 - 16
-12 < 0
option c
no real roots
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