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cupoosta [38]
3 years ago
5

Find the 20th term of an A.P whose first term is 102 and common difference -3

Mathematics
1 answer:
Irina-Kira [14]3 years ago
8 0

A(20) = a+(20-1)d

A(20) = 102+(19)(-3)

A(20) = 102-57 = 45

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