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RAMANUJANRAMANUJAN
To find the sum of the first 28 terms of an arithmetic sequence, you need the first term (a) and the common difference (d). The formula for the sum of the first n terms (S_n) of an arithmetic sequence is S_n = n/2 * (2a + (n - 1)d). Once you have the values of a and d, plug them into the formula along with n = 28 to calculate the sum.
If you don't want to add them one by one, you can use the formula for the sum of an arithmetic series.
That refers to the sum of an arithmetic series.
You can use the formula for an arithmetic series for that.
To calculate the sum of an arithmetic series, you can use the formula ( S_n = \frac{n}{2} (a + l) ), where ( S_n ) is the sum, ( n ) is the number of terms, ( a ) is the first term, and ( l ) is the last term. If you provide the specific details of the series, I can help compute the sum directly.
The formula for the sum of an arithmetic sequence is ((first number) + (last number)) x (how many numbers) / 2, in this case, (1 + 100) x 100 / 2.The formula for the sum of an arithmetic sequence is ((first number) + (last number)) x (how many numbers) / 2, in this case, (1 + 100) x 100 / 2.The formula for the sum of an arithmetic sequence is ((first number) + (last number)) x (how many numbers) / 2, in this case, (1 + 100) x 100 / 2.The formula for the sum of an arithmetic sequence is ((first number) + (last number)) x (how many numbers) / 2, in this case, (1 + 100) x 100 / 2.
The formula for the sum of the first n terms of an arithmetic progression is Sn = n/2 * (a + l), where Sn is the sum, n is the number of terms, a is the first term, and l is the last term.
An arithmetic series is the sum of the terms in an arithmetic progression.
Use the formula for the sum of an arithmetic sequence. Start with 11, end with 99; the interval is 2.
Just do the additions. Or, if you want a shortcut, use the formula for an arithmetic series.
The idea here is to use the formula for the sum of an arithmetic series. In this case, the starting number is of course 1; the interval is 2.