123 100 1^2 + 2^2 + 3^2 + +100 = ……………… · arithmetic progression · class-10
123 100 must at least be 8 characters must not be the same as the previous 3 passwords 100, GGM679411202323 DATED 2023, RERA-GRG
Make generalised formula for this 1+2+3+ till +99+100=