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$E_1: a+b+c=0$, if 1 is a root of $ax^2+bx+c=0$ .$E_2:b^2-a^2=2ac,$ if $\sin \theta, \cos \theta$ are the roots of $ax^2+bx+c=0$ Which of the following is true?

(a) $E_1$ is true, $E_2$  is true. (b) $E_1$ is true, $E_2$  is false. (c) $E_1$ is false, $E_2$  is true. (d) $E_1$ is false, $E_2$  is false.
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(a) $E_1$ is true, $E_2$ is true.
answered Feb 27, 2014 by meena.p
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