Question

in an AP, if d= -2, n=5 and Tn= 0 find a

Answer 1

$|hey \: mate | \\ tn = a + (n - 1)d \\ 0 = a + (5 - 1) - 2 \\ - a = (4) - 2 \\ - a = - 8 \\ a = 8 \\ = = = = hope \: this \: is \: your \: answer = = =$
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