Question of the Day 19-01-2019

Question of the Day
GATE 2009   EE   Question No. 2

The measurement system shown in the figure uses three sub-systems in cascade whose gains are specified as G1,G2 and 1G3. The relative small errors associated with each respective subsystem G1,G2 and G3 are ε1,ε2 and ε3. The error associated with the output is: