barnali
barnali
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For A.P series formula for nth term is t_n = a + (n-1)d, where a is first term and d is common difference. t_2 = 40 or, a + (2-1)d = 40 or, a + d = 40.......................(1) t_5 = 121 or, a + (5-1)d = 121 or, a + 4d = 121..................…
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For A.P series formula for nth term is t_n = a + (n-1)d, where a is first term and d is common difference. t_2 = 40 or, a + (2-1)d = 40 or, a + d = 40.......................(1) t_5 = 121 or, a + (5-1)d = 121 or, a + 4d = 121..................…
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For A.P series formula for nth term is t_n = a + (n-1)d, where a is first term and d is common difference. t_2 = 40 or, a + (2-1)d = 40 or, a + d = 40.......................(1) t_5 = 121 or, a + (5-1)d = 121 or, a + 4d = 121..................…
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For A.P series formula for nth term is t_n = a + (n-1)d, where a is first term and d is common difference. t_2 = 40 or, a + (2-1)d = 40 or, a + d = 40.......................(1) t_5 = 121 or, a + (5-1)d = 121 or, a + 4d = 121..................…