Question

if an =5-4n find the first term and common difference
​

Answer 1

Answer:

hope this is helpful.

mark me in brilliant list

Answer 2

An = 5 - 4n

Pur n = 1 for first term,

A1 = 5 - 4 = 1

Put n = 2 for second term

A2 = 5 - 8 = -3

Common difference = A2 - A1 = - 3 - 1 = -4

#FollowMe