If \( \log _{2}\left(x^{2}+1\right)+\log _{13}\left(x^{2}+1\right)=\log _{2}\left(x^{2}+1\right)....
If \( \log _{2}\left(x^{2}+1\right)+\log _{13}\left(x^{2}+1\right)=\log _{2}\left(x^{2}+1\right) \log _{13} \)
\( \mathrm{P} \)
\( \left(x^{2}+1\right)(x \neq 0) \), then \( \log _{7}\left(x^{2}+24\right) \) is equal to
(1) 1
(2) 2
(3) 3
(4) 4
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