Which of the following equation has two equal root?
A) x2 -2x-1 = 0
B) x2 - 2x +1 = 0
C) 2x2 - 2x + 1 = 0
D) x2-2x-3 = 0
Answers
Answered by
2
Answer:
B
Step-by-step explanation:
(x-1)^2
Answered by
3
Answer:
option b) it's two roots are equal
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