the roots of tbe equation x2+4x+5=0 are??
a. real n equal
b. real n enequal
c. positive n rational
d. not real no.
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Option d is correct. Because D=b^2-4ac is less than 0
D=4^2-4×1×5
D=16-20
D=-4
which is less than 0 so the roots of this equation is not real.
.
.
Please mark it.
D=4^2-4×1×5
D=16-20
D=-4
which is less than 0 so the roots of this equation is not real.
.
.
Please mark it.
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