Question: Let f ( x ) = ( 2 - 5 x ^ ( 2 ) ) / ( x ^ ( 2 ) - 1

Let f(x)=(2-5x^(2))/(x^(2)-14x+49)\infty ' or '-\infty ', as appropriate. If the limit does not otherwise exist, enter DNE.\lim_(x->7)f(x)
Let f ( x ) = ( 2 - 5 x ^ ( 2 ) ) / ( x ^ ( 2 ) -

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