Question

.Calcule:a) o 52 termo da PG (1, 5,...); b) o 10² termo da PG (9, 27,...).

Answer 1

An=a1.q^n-1
A52=1.5^52-1
A52=5^51
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An=a1.q^n-1
A100=9.3^100-1
A100=3².3^99
A100=3^101