Dada a P.A. (33, 37, 41, ...) determine:a) oitavo termob) vigésimo termo.... Pergunta de ideia deTheMarceloFernandes

TheMarceloFernandes @TheMarceloFernandes

March 2022 1 58 Report

Dada a P.A. (33, 37, 41, ...) determine:
a) oitavo termo
b) vigésimo termo

Lista de comentários

korvo E aí mano,

sendo:

$a_1=33\\
r=a_2-a_1~\to~r=37-33~\to~r=4$

Podemos expressar:

$a_8=a_1+7r\\
a_8=33+7\cdot4\\
a_8=33+28\\\\
\large\boxed{\boxed{a_8=61}}\\\\\\
a_{20}=a_1+19r\\
a_{20}=33+19\cdot4\\
a_{20}=33+76\\\\
\large\boxed{\boxed{a_{20}=109}}\\.$

ótimos estudos mano!

1 votes Thanks 1

Calcule: a) (3+2i) + (-5+7i)b) 3 (2-5i) + (1-i)c) (2-4i) - (6-3i)

Responda

TheMarceloFernandes March 2022 | 0 Respostas

Responda

TheMarceloFernandes October 2020 | 0 Respostas

Determine a soma dos 15 primeiros termos da PG (3, 6, 12, ...)

Responda

TheMarceloFernandes October 2020 | 0 Respostas

Responda

TheMarceloFernandes October 2020 | 0 Respostas

Responda

Lista de comentários

Calcule: a) (3+2i) + (-5+7i)b) 3 (2-5i) + (1-i)c) (2-4i) - (6-3i)

Determine a soma dos 15 primeiros termos da PG (3, 6, 12, ...)

Helpful Links

Helpful Social