- A1
- B3
- C2
- D5
Step-by-Step Solution
a + 4d = 17 and a + 8d = 33. Subtracting: 4d = 16, so d = 4. Then a = 17 − 16 = 1.
Answer: A) 1
The 5th term of an arithmetic progression is 17 and the 9th term is 33. Find its first term.
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