Question

In AP a=2,d=8, than the 10th term of AP is
a) 80
b) 78
c) 82
d) None

Answer 1

none should be the answer

because the value of a10 is coming 74

$a10 = a + 9d \\ = 2 + 9(8) \\ = 2 + 72 = 74$

hope it helps

Answer 2

Answer:

a+9d = an

2+72=74

ok now help your self

done with you