Show that the roots of the equation, (x-a)(x-b)+(x-b)(x-c)+(x-c)(x-a) =0 ;are always real and are equal when a=b=c.

Asked by Rupal Sinha | 13th Nov, 2013, 10:49: PM

Expert Answer:

Answered by Vimala Ramamurthy | 14th Nov, 2013, 09:38: AM

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