Question

find first five term of AP whose first term is 3 a + b and common difference is a - b​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

first five terms are:

a1 = 3a + b

a2 = 3a + b + a -b = 4a

a3 = 3a + b + 2a - 2b = 5a - b

a4 = 3a + b + 3a - 3b = 6a - 2b

a5 = 3a + b + 4a - 4b = 7a - 3b