digital systems Try to use K$-$Map to simplify following expressions to your best effort. Show your result in POS and SOP format respectively.$(3)$ F$=$A B$($C$+$D$)+($A$+$B$)$ D C $(4)$ F$=$A$$B$$ C$+$A$$ B C$+$A B$$C$+$A B C $(5)$ F$=($A B$+$A B$+$A$$ B$)($A$+$B$+$D$+$A B C$)$