If a1, A2, A3, A4, are in arithmetic progression, then the common difference is
A. a2-a1
B. a1-a2
C. a2-а3
D. a3- a4
Answers
Answered by
2
Answer:
a2-a1
Step-by-step explanation:
a2-a1
a3-a2
a4-a3
Answered by
1
Answer:
A
option is the correct answer
that is d=A2 -a1
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