$ sudo apt-get update
$ sudo apt-get install libcaptcha-recaptcha-perl 

libcaptcha-recaptcha-perl is installed in your system.

Make ensure the libcaptcha-recaptcha-perl package were installed using the commands given below,

$ sudo dpkg-query -l | grep libcaptcha-recaptcha-perl *

You will get with libcaptcha-recaptcha-perl package name, version, architecture and description in a table

libcaptcha-recaptcha-perl package basic information: