if any one dont understand solution please note that this is jee advanced 2014 part 1 integer type question ( 3 marks )
you can watch either of these videos search for that question (really a good question)
https://www.youtube.com/watch?v=1f6kE9LX-OI&list=PL8yzSJkwFafPpWXC7hvtsK3WEU-M5vbMi&index=6
https://www.youtube.com/watch?v=E97MHV5rDUE&index=13&list=PLtfEipLJrhIHMqW_d-BV4PIm9Tdlhd2Ez
https://www.youtube.com/watch?v=KDhElHJSND8&list=PL46TqiNVZpK-MHE3fOjX_3euQpazgznRn&index=12
8 years ago
by
akanksh