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If (x+2) is a common factor of (px^2+qx+...

If `(x+2)` is a common factor of `(px^2+qx+r)` and `(qx^2+px+r)` then a) ` p=q` or `p+q+r=0` b)`p=r` or `p+q+r=0` c) `q=r` or `p+q+r=0` d)`p=q=-1/2r`

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