Question

25) Which term of the AP. 108, 103,98...is its first negative term?
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Answer 1

Answer:

93 is the right answer of your questions

Answer 2

Answer:

23

Step-by-step explanation:

$a =108 \\ d = 103 - 108 = - 5 \\ \\ a + (n - 1)d = 0 \\ 108 + (n - 1)( - 5) = 0 \\ n - 1 = 108 \div 5 \\ \\ n - 1 = 21.6 \\ n = 23$