the sum of 3 consecutive terms of an ap is 18 and the sum of their square is 140 find the terms
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0
Answer: 5, 6, and 7.
Step-by-step explanation: X (1st) + X +1 (2nd) + x+2 (3rd)=18 3x+3=18 3x=15 x=5
Then you substitute i guess...
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3
140 - 36 = 104 is the sum of the squares of the first and the third terms. ∴ 4 is the common difference. ∴ The numbers are 2, 6, and 10. Hope this may be helpful.
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