Sn=2n^2+1 find the third term
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Answer:
19
Step-by-step explanation:
Sₙ = 2n² + 1
S₃ = (2*3²) + 1
S₃ = (2*9) + 1
S₃ = 18 + 1
S₃ = 19
Hence the third term is 19.
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