An amplifier operating in the linear region has the frequency response given by A_(v)= 40dB;020kHz. If the input is given r_(i)=0.2Sin(\omega _(1)t)-0.1Sin(\omega _(2)t), where f_(1)= 100kHz&f_(2)=10kHz, indicate the salient point on the output waveform. [10 marks][CO1][BTL2]