2, 8, 14, 20, 26 sum of first 50 terms
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Answered by
0
Answer:
6
Step-by-step explanation:
The given AP is 2, 8, 14, 20, 26, ... So, the common difference = 2nd term - 1st term = 8 - 2 = 6 = 3rd time - 2nd term = 14 - 8 = 6
Answered by
0
Answer:
a = 2, d = 8-2= 6
s50 = n/2[2a+(n-1)d]
= 25[2×2 + 49×6]
= 25(4 + 294)
= 25× 298
= 7450
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