Express the gain of the non-inverting amplifier in dB Rf is 1.0kohms and ri is 10kohms with 15 volts going in an Vs is 500 mVpp and 1.0kHz freq express the gain of the inverting amplifier in dB same Rf 10 kohms and ri is 1.0 kohms with 15 volts going in an Vs is 500 mVpp and 1.0kHz freq