Mathematics, 07.05.2021 05:40 NorbxrtThaG

Find the sum of the following series a 1 + 4 + 7 + 10 + ... to 40 terms.
b. 2+7+12+17+ ... + 102.

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Find the sum of the following series a 1 + 4 + 7 + 10 + ... to 40 terms.
b. 2+7+12+17+ ... +...

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