Suppose $S_a(x)=\operatorname{Sec}^{-1}\left(\frac{x}{a}\right)+\operatorname{Sec}^{-1}(a)$ for $a \neq 0$.…
Suppose $S_a(x)=\operatorname{Sec}^{-1}\left(\frac{x}{a}\right)+\operatorname{Sec}^{-1}(a)$ for $a \neq 0$. If $S_a(x)=S_b(x)$ for $a \neq b$ then $x=$