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what is the arithmetic sequence for 2, 5, 8, and 11 please help asap

Sagot :

what is the arithmetic sequence for 2, 5, 8, and 11 please help asap​

we have

a1=2

a2=5

a3=8

a4=11

so

a2-a1=5-2=3

a3-a2=8-5=3

a4-a3=11-8=3

the common difference d is equal to d=3

the general equation for this arithmetic sequence is equal to

an=a1+d(n-1)

we have

a1=2

d=3

substitute

an=2+3(n-1)

an=2+3n-3

an=3n-1

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