Question

Arithmetic sequence


c.d is 10 and 6 th term 52 find 15 term

Answer 1

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