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If b(1) b(2)= 2(c(1) +c(2))and b(1), b(2...

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

A

real roots

B

purely imaginary roots

C

roots of the form `a + ib (a, b in R.ab ne 0)`

D

rational roots

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2018-MULTIPLE CHOICE QUESTIONS
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