Question

calcule o 25 termo da Pa (26,31,36,41

Answer 1

a1 = 26
a2 = 31
Razão r = a2 - a1 = 31 - 26 = 5

an = a1 + (n-1).r

a25 = 26 + 24.5
a25 = 26 + 120
a25 = 146

Resposta: a25 = 146

Espero ter ajudado.

Answer 2

26,31,36,41,46,51,56,61,66,71,76,81,86,91,96,101,106,111,116,121,126,131,136,141,146