Which of the following statements is/are TRUE with respect to an ideal opamp?

Which of the following statements is/are TRUE with respect to ideal MOSFET-based DCcoupled single-stage amplifiers having finite load resistors?

All the components in the bandpass filter given below are ideal. The lower -3 dB frequency of the filter is 1 MHz . The upper -3 dB frequency (in MHz, rounded off to the nearest integer) is ___________ .

The identical MOSFETs $M_1$ and $M_2$ in the circuit given below are ideal and biased in the saturation region. $M_1$ and $M_2$ have a transconductance $g_m$ of 5 mS .

The input signals (in Volts) are:

$$ \begin{aligned} & V_1=2.5+0.01 \sin \omega t \\ & V_2=2.5-0.01 \sin \omega t \end{aligned} $$

The output signal $V_3$ (in Volts) is _ .