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ayan98542:
hi
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Answered by
1
a) cannot both be positive
It is the correct answer. ...
Answered by
0
here a=1
b=a
c=a
b²-4ac = a² - 4a = (a) ² - (2√a) ²
=(a-√2a) (a+√2a) which is greater than 0
so option c is right
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