A differential amplifier with two op-amps has the following specifications:R1=R3=1.5k ; RF=R2=5.7k . Compute the input resistance for the following circuit.

A differential amplifier with two op-amps has the following specificat

1.	A differential amplifier with two op-amps has the following specifications: R₁=R₃=1.5k ; R_F=R₂=5.7k . Compute the input resistance for the following circuit.
A.	n<a href="https://www.sanfoundry.com/wp-content/uploads/2017/08/linear-integrated-circuits-questions-bank-q3.png"><img alt="Compute the input resistance of the differential amplifier with two op-amps" class="alignnone size-full wp-image-173962" height="336" sizes="(max-width: 437px) 100vw, 437px" src="https://www.sanfoundry.com/wp-content/uploads/2017/08/linear-integrated-circuits-questions-bank-q3.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2017/08/linear-integrated-circuits-questions-bank-q3.png 437w, https://www.sanfoundry.com/wp-content/uploads/2017/08/linear-integrated-circuits-questions-bank-q3-300x231.png 300w" width="437"/></a>
B.	R<sub>IFx</sub> = 83G , R<sub>IFy</sub> = 317G
C.	R<sub>IFx</sub> = 90G , R<sub>IFy</sub> = 400G
D.	R<sub>IFx</sub> = 59G , R<sub>IFy</sub> = 269G
E.	R<sub>IFx</sub> = 36G , R<sub>IFy</sub> = 156G
Answer» B. R<sub>IFx</sub> = 83G , R<sub>IFy</sub> = 317G