Question

13+19+25+31+...+127








ayudaaaaaaaa​

Answer 1

13 + 19 + 25 + 31 + ...+ 127

Tn = T1 + (n-1)r

127 = 13 + (n - 1)6

127 = 13 +  6n - 6

127 = 7 + 6n

127 - 7 = 6n

120 = 6n

120/6 = n

20 = n

Números de términos = 20

Eternamente axllxa