Obviously the question is wrong why because of ambiguity when T=0, S=0,R=0 having Hold and Reset at a time and T=0, S=1,R=1 having Hold and set at a time
Considering the answer is right ===== TQ'+T'[Q(s+r')+sr'].... By doing Reverse engineering,
i Conclude that
S |
R |
T |
function |
x |
x |
1 |
Toggle |
1 |
0 |
0 |
Set |
0 |
1 |
0 |
Reset |
0 |
0 |
0 |
Hold |
1 |
1 |
0 |
Hold |