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If the domain of the function `f(x)=(sqrt(x^(2)-25))/((4-x^(2)))+log_(10)(x^(2)+2x-15)` is `(-oo,alpha)uu[beta,oo)` ,then `alpha^(2)+beta^(3)` is equal to:

A

140

B

125

C

175

D

150

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