1)
What is the grammatical form of "li'Nvi'ei mi'Libam"?
1.
Radak: It is Samuch, even though there is a prefix before Libam. This is like "Gemulei me'Chalav" (Yeshayah 28:9).
2)
What was the content of the false Nevi'im's Nevu'ah?
1.
Radak: They say Nevu'ah from their hearts; they did not see it ? "ul'Vilti Ra'u" (3).