1.

If the equation x^2+px+qr=0 and x^2+qx+rp=0 have a common root, the other roots, which arenot common in these equations, will be the roots of the equation:

Answer»

`x^2+pqx+r=0`
`x^2-rx-pq=0`
`px^2+rx+q=0`
`x^2+rx+pq=0`

ANSWER :D


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