1.

If b_(1)b_(2)=2(c_(1)+c_(2)) and b_(1), b_(2), c_(1), c_(2) are all real numbers, then at least one of the equations x^(2)+b_(1)x+c_(1)=0 and x^(2)+b_(2)x+c_(2)=0 has

Answer»

real roots
purely imaginary roots
roots of the FORM `a +ib (a, b in R, AB ne 0)`
RATIONAL roots

Answer :a


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