The 6th term of an AP is – 10 and 10th term is -26. Determine the sum of the first 20 terms of the AP .
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Step-by-step explanation:
The given AP is 2, 7, 12, ..... Common Difference, d = 5. First term, a = 2. Hence, 10th term is a+9d = 2+45 = 47.
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Answer:
47 is answer dear friend
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