Question

insert two arithmetic means between -6 and 14

Answer 1

here, a = -6, b = 14 , n = 2
$d = (b - a) \div (n + 1)$
so, d = 20/3
1st A.M. = -6 + 20/3 = 2/3
2nd A.M. = 2/3 + 20/3 = 22/3