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Find the st term of the arithmetic sequence Answer:
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Q. Find the st term of the arithmetic sequence Answer:
- Given values: To find the term of an arithmetic sequence, we need to know the first term () and the common difference (). The first term is given as .
- Calculate common difference: The common difference can be found by subtracting the second term from the first term. So, .
- Use nth term formula: Calculating the common difference, we get .
- Substitute values: The formula to find the th term of an arithmetic sequence is . We will use this formula to find the st term ().
- Calculate : Substituting the known values into the formula, we get .
- Multiply by common difference: Calculating the term inside the parentheses first, we have .
- Add first term: Now, we multiply by the common difference, which is . So, .
- Calculate final result: Finally, we add the first term to the product of the common difference and , which gives us .
- Calculate final result: Finally, we add the first term to the product of the common difference and , which gives us .Calculating the sum, we find that .
