Question

please answer me.............​

Answer 1

Step-by-step explanation:

$a = t1 = 2 \\ tn = 50 \\ sn = 442 \\ \\ tn = a + (n - 1)d \\ 50 = 2 + dn - d \\ dn - d = 48........(1) \\ \\ sn = \frac{n}{2} (2a + (n - 1)d) \\ 442 = \frac{n}{2} (4 + dn - d) \\ 442 = \frac{n}{2} (52)....(from \: (1)) \\ 52n = 884 \\ n = 17 \\ \\ so \: there \: are \: 17 \: terms \: \\ \\ hope \: it \: helps \: uh..$

Answer 2

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