Respuesta :
Answer:
Hi here is your answer
an=5n-3
an-1= -3+5n
an-1= -3+5(n-1)
an-1= -3+5n-5
an-1= 5n-7
d= an- an-1
d=(5n-3)-(5n-7)
d=5n-3-5n+7
d=4
Answer: d = 4
Hope this helps you.
Answer:
d = 5
Step-by-step explanation:
an = 5n -3
a1 = 5 -3 = 2
a2 = 5*2 -3 = 10 - 3 = 7
d = a2 - a1 = 7 - 2 = 5