Question

what is value of an - an-1 ​

Answer 1

Answer:

The answer is -1

.................

Answer 2

Answer:

an - an - 1

= -1

★★★★★★★★★★★★★★★★★★

“And I..... am.... Ironman” (*snaps*)

$<img src="https://tenor.com/view/iron-man-angry-iam-iron-man-gif-14110133.gif" height=180 width=320>$