![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
In a non-inverting amplifier circuit, if the op-amp has an open-loop gain of 200.000, the input voltage v.,= 1.5 volts, the inverting input resistor R1=l0 kilo -ohms, the feedback resistor R2= 0 ohms, then the output volage can be calculated by using the formula. The output voltage Vu=( ) volts.