The roots of quadratic
equation ax? +bx+c = 0
are equal if *
D > 0
D = 0
D < 0
None of these
Answers
Answered by
1
Step-by-step explanation:
d =0 is the correct answer
Answered by
0
Answer:
D = 0
Step-by-step explanation:
D = √b²-4ac
If D <0
√-ve integer will exist in complex numbers
If D <0
the roots will be
-b+(+ve) /2a and -b-(+ve) /2a which are two distinct integers
If D = 0
the roots will be
-b+0/2a and b-0/2a
which is equal to
-b/2a
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