Question

-5+(-8)+(-11)+...+(-230)=?​

Answer 1

Answer:

-5-8-11-....-230

a4 = a+3d then

a= -5 and d = -8--5 = -8+5 = -3

a4 = -5+3×-3

-5-9= -14

-14 is the answer this is the concept of A.P series