COMMON DIFFERENCE -DIRECT FORMULA METHOD

COMMON DIFFERENCE,DIRECT FORMULA METHOD . POSITION OF THE TERMS,EXPLANATIONS. 00:00 COMMON DIFFERENCE 00:16 If 𝑎 𝑛 and 𝑎 𝑥 are the terms in arithmetic progression and d is the common difference. 01:07 Common difference 02:06 d= [ 𝑎 𝑛− 𝑎 𝑥 𝑛−𝑥 ] n_x 03:17 End of presentation