Question

Find the 1st four terms of the ap whose 1st term is 3x+y and common difference is x-y

Answer 1

Answer:

Step-by-step explanation:

1st term=3x-y

2 nd term = diff +1st term

= x-y+3x+y

=4x

3rd term = diff + 2nd term

=x-y+4x=5x-y

4 th term = diff +3rd term

= x-y+5x-y=6x-2y.