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The focus of rectangular hyperbola (x-a)...

The focus of rectangular hyperbola `(x-a)*(y-b)=c^2` is

A

(a) `(h-p, k-p)`

B

(b) `(h-p, k+p)`

C

(c) `(h+p, k-p)`

D

(d) None of these

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A
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