ignoring the root5 for the moment, we need to find 4 AMs between -1 and 12
-1 + 5d = 12
d = 13/5
so, the terms are:
-1 8/5 21/5 34/5 47/5 12
multiply each by root5
Find 4 arithmetic means between -root(5) and 12 root (5)
1 answer