For the function \( f \), defined by \( f(x)=x^{2}-6 x-7 \), prove that \( f^{\prime}(5)-3 f^{\p... VIDEO
For the function \( f \), defined by \( f(x)=x^{2}-6 x-7 \), prove that \( f^{\prime}(5)-3 f^{\prime}(2)=f^{\prime}(8) \).
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