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Questions and Answers
Which of the following is true about arithmetic progression?
Which of the following is true about arithmetic progression?
- The sum of the terms is constant
- The product of the terms is constant
- The ratio between consecutive terms is constant
- The common difference between consecutive terms is constant (correct)
What is the formula to find the nth term of an arithmetic progression?
What is the formula to find the nth term of an arithmetic progression?
- a_n = a_1 + (n+1)d
- a_n = a_1 + (n-2)d
- a_n = a_1 + nd
- a_n = a_1 + (n-1)d (correct)
What is the sum of the first n terms of an arithmetic progression?
What is the sum of the first n terms of an arithmetic progression?
- S_n = (n/2)(2a_1 + (n-1)d) (correct)
- S_n = (n/2)(a_1 + (n+1)d)
- S_n = (n/2)(2a_1 + (n+1)d)
- S_n = (n/2)(a_1 + (n-1)d)
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