Show that the equation (m^2+n^2)x^2 + (m+n)x + 1/2 = 0 has no real roots when m≠n

Show that the equation (m^2+n^2)x^2 + (m+n)x + 1/2 = 0 has no real roo

1.	Show that the equation (m^2+n^2)x^2 + (m+n)x + 1/2 = 0 has no real roots when m≠n
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