Question

guys please help me with this question and whoever will give me the answer I will mark them as brainliest but I don't want useless answers​

Answer 1

Answer:

6)a)a1=2k-1, a2=3k+3, a3=5k+5

a2-a1=a3-a2

(3k+3)-(2k-1)=(5k+5)-(3k+3)

3k+3-2k+1=5k+5-3k-3

3k-2k+3+1=5k-3k+5-3

k+4=2k+2

k-2k=2-4

(-k)=(-2)

k=2