if the sum of 45 terms of ap is 5195 find the 23rd term
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Step-by-step explanation:
Let a be the first term & d be the common difference
So
Sum of 45 terms = 45/2 [ 2a + 44d] =45 (a + 22d)
45 (a + 22d) = 5195
(a + 22d) = 5195 / 45
So
23th term = (a + 22d) = 5195 / 45
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