Question

show that the sequence given by an=9-5n is an AP find first 2 terms​

Answer 1

Answer:

An = 9 - 5n

for first term, n = 1

A1 = 9 - 5×1 = 4

for second term, n = 2

A2 = 9 - 4×2 = 1

therefore first 2 terms are: 4 , 2