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If the roots of the equation 1/(x+p)+1/(...

If the roots of the equation `1/(x+p)+1/(x+q)=1/r, (x ne -p, x ne -q, r ne 0)` are equal in magnitude but opposite in sign, then p + q is equal to :

A

r

B

2r

C

`r^2`

D

`1//r`.

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