Question

Find the 50th term of the sequence 5,-2,-9,-16

Answer 1

50th term is -338

Explanation:

Common difference d = -2-5 = -7

first term is a1 = 5

50th term

a50 = a1 + (n -1)d

a50 = 5 -7(50-1)

a50 = 5 -7(49)

a50 = -338

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