1) R+ E K U s+1 (s - 1)(s + 2) Y For the following points what is the gain K and the angle? Is it on the locus a) -3 b) -1.5 c) 0 d) 2 e) 1+j 2) R + E K U S-1 s(s+3)(s + 2) Y For the following points what is the gain K and the angle? Is it on the locus a) -2.75+3.13i b) -1 c) 0 d) .5 e) 1+j 2) R + E K U (s + 4)(s 1) s (s + 3) (s+ 2) Y For the following points what is the gain K and the angle? Is it on the locus a) -3.6i b) -4.5 c) -1..616j d) 0