Please wait...
THANKU FOR BEING A PART OF OUR JOURNEY TO BRING "REVOLUTION IN EDUCATION"
We Genuinely APPRECIATE your PATIENCE

138
M: +2.00/-0.66

Consider the following as representations of reciprocity in terms of z-paramters:
1) Z11 = Z12
2) Z12 = Z22
3) Z12 = Z21
Which of the above representations is/are correct?

[ESE (IES) EE 2017 (Technical)]
A
B
C
D