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seropon [69]
3 years ago
6

If the first term of a sequence is four and the common difference is -9. Find a40.

Mathematics
1 answer:
exis [7]3 years ago
8 0

Answer:

an = a1 + d(n - 1)

Step-by-step explanation:

an = 4 + -9(40 -1)

an = 4 + -9(39)

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