Question

dada a pa (28,36,...),determine:
a) o décimo quinto termo.

b) o centésimo termo.​

Answer 1

Resposta:

a1=28

a2=36

r=a2-a1=36-28=8

an=a1+(n-1)*r

a)

a₁₀ =28+(10-1)*8 = 100

b)

a₁₀₀ =28+(100-1)*8  = 820