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If c!=0 and the equation p//(2x)=a//(x+...

If `c!=0` and the equation `p//(2x)=a//(x+c)+b//(x-c)` has two equal roots, then `p` can be `(sqrt(a)-sqrt(b))^2` b. `(sqrt(a)+sqrt(b))^2` c. `a+b` d. `a-b`

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