if an = 6 in an ap of 13 terms then the value of s13 is a) 42 b) 24 c) 89 d) 78

Question

if an = 6 in an ap of 13 terms then the value of s13 is​ a) 42  b) 24 c) 89 d) 78

Maya · Answer

Answer:   Ans = 78 . you are written rong questions .if a 7=6 in an ap ..

Rylee · Answer

Answer:   correct option (c) 89   Step-by-step explanation:   hope it's helpful ☺️

if an = 6 in an ap of 13 terms then the value of s13 is​a) 42 b) 24c) 89d) 78