DERIVATION OF FIRST 'n' TERMS IN ARITHMETIC PROGRESSION.

DERIVATION OF SUM OF FIRST 'N' TERMS IN ARITHMETIC PROGRESSIONS ,GENERAL FORMULA AND SPECIFIED FORMULAS,SUM OF FIRST N ODD NUMBERS,SUM OF FIRST N EVEN NUMBERS,SUM OF FIRST N NATURAL NUMBERS. 00:00 DERIVATION OF SUM OF FIRST ‘N’ TERMS 00:10 DERIVATION 01:03 GENERAL FORM 03:39 Sum of first ‘n’ natural numbers 04:16 SUM OF FIRST ‘N’ EVEN NUMBERS 04:34 Sum first ‘n’ odd numbers 04:57 SUM OF FIRST ‘N’ EVEN NUMBERS 04:58 Sum of first ‘n’ natural numbers 04:59 GENERAL FORM 05:05 Sum of first ‘n’ natural numbers 05:15 SUM OF FIRST ‘N’ EVEN NUMBERS 05:22 Sum first ‘n’ odd numbers 05:33 End of presentation