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Arithmetic sequencec.d is 10 and 6 th term 52 find 15 term

Answer»
a_{6} = 52 \\ a + 5d = 52 \\ a + 5 \times 10 = 52 \\ (a = 2) \\ a_{15} = a + 14d \\ \: \: \: \: \: \: \: = 2 + 14 \times 10 \\ \: \: \: \: \: \: \: = 142


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