## ketz 2 years ago PROOF QUESTION(DIFFERENTIAL AMPLIFIER)

1. Mathmuse

Are all the Voltage terms in the denominator or no?

2. Mathmuse

ie: $\huge{\frac{1}{R_1(V_B-V_A(\frac{R_1}{R_1+R_2}))}} ?$

3. ketz

yes

4. ketz

no in fact the voltages are in the nominator its 1/R1 multiply the bracket!!!!!

5. mark_o.

@ ketz do you have the circuit drawing?

6. ketz

explain why j2 = -1 and not 1?

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