Sum of the series 12+14+16+...+26
Answers
Answered by
0
Answer:
26=12+(n-1)2
8=n
sum=8/2(12+26)
sum=4*38=152
Answered by
1
Answer:
152
Step-by-step explanation:
Series 12+14+16+...+26
- first term = 12
- last term = 26
- common difference = 2
Number of terms
- (26 -12)/2 + 1 = 8
Sum of terms
- 1/2*8*(12+26) = 4*38 = 152
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