if the first term of ap is -5 & common difference is 2 then find the sum of first 6 terms
Answers
Answered by
3
S = n/2(2a + (n-1)d
S = 6/2[2(-5) + (6-1)(2)
S = 3(-10 + 10)
S = 3(0)
S = 0
S = 6/2[2(-5) + (6-1)(2)
S = 3(-10 + 10)
S = 3(0)
S = 0
Similar questions