IIT JEE $\mathop {\lim }\limits_{x \to \infty} \frac {x^3}{\sqrt {x^2-a^2}}-\frac {x^3}{\sqrt {x^2+a^2}}=?$ August 21, 2022 Manish Verma Leave a comment Problem & Solution pdf File Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related