9. Find k, if the given value of x is the kth term of the given AP 5 1/2, 11, 16 1/2, 22, ... X =
550. (1)
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Step-by-step explanation:
k=a+(k-1)d
550=5.5+(k-1)5.5
550=5.5+5.5n-5.5
550=5.5k
k=550/5.5
k=5500/55
k=100
100th term is X=550
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