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an arithmetic sequence where u1= 1.3 u2= 1.4 and uk = 31.2 a) find the value of k b) find the value of Sk consider
an arithmetic sequence where u1= 1.3 u2= 1.4 and uk = 31.2
a) find the value of k
b) find the value of Sk
consider the terms Un such that n is less than or equal to k
let F be the sum of terms for which n is not a multiple of 3
c) show that F=3240
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