Arey Mr., suno, 3rd wala figure ko itna lamba se karne jarurat nai, use the formula {(n) (n+2) (2n+1)} / 8 if even , and use {(n) (n+2) (2n+1) - 1} / 8 if odd, itna kya lamba tarika dikake short trick bol rahe ho, ese class lega kya 😕, bas coaching institute kol dete ho kya, research work b karke ao tikse pehle bhai, students ka time and money bachao
Very nice sir.
Arey Mr., suno, 3rd wala figure ko itna lamba se karne jarurat nai, use the formula {(n) (n+2) (2n+1)} / 8 if even , and
use {(n) (n+2) (2n+1) - 1} / 8 if odd, itna kya lamba tarika dikake short trick bol rahe ho, ese class lega kya 😕, bas coaching institute kol dete ho kya, research work b karke ao tikse pehle bhai, students ka time and money bachao