m denotes the slope of the normal to the curve \( y=-3 \log \left(9+x^{2}\right) \) at the point... VIDEO
m denotes the slope of the normal to the curve \( y=-3 \log \left(9+x^{2}\right) \) at the point \( x \neq 0 \)
(A) \( m \in[-1,1] \)
(B) \( m \in R-(-1,1) \)
(C) \( m \in R-[-1,1] \)
(D) \( m \in(-1,1) \)
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