Question

Write the common difference of Ap 18,13,8,3

Answer 1

Answer:

a1=18 a2=13

d=a2-à1=13-18=-5

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Answer 2

Answer:

a1=18 ,a2=13,a3=8,a4=3

step by step explaination:

a2-a1=13-18= -5

a3-a2=8-13= -5

a4-a3=3-8= -5

so the common difference (d) = -5