12
2.Show that the terms of log 5' are in A.P Find the sum of the 1st twenty terms of the series
1-1
and the least value of n for which the sum to n terms exceeds 400.

(5marks)
EJ E
+2+3+4+5+
49844ent
con te down the numbers in one or
BOU 102
LE
FE
0 0
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