Question

plzzzz give answer ​

Answer 1

Step-by-step explanation:

option A

if b^2-4c>0..

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Answer 2

ANSWER

we know...for real value..

b'²-4ac'>1

now here ...a=1,b'=2b,c'=c

so .....

(2b)²-4(1)c>0

=>b²-c>0