# Sum of Voltage in RCL circuit (AC supply)

In an RCL circuit, How can sum of voltage across each component (that is resistor, inductor and capacitor) be greater than the peak value of AC voltage supply?

In LCR circuit $$V_{S}^2=V_{R}^2+(V_{L}-V_{C})^2$$ $$(V_{L}+V_{C}+V_{R})=\sqrt {V_{S}^2+2V_{L}V_{R}+4V_{L}V_{C}+2V_{C}V_{R}}$$ $$V_{L}+V_{C}+V_{R}>V_{S}$$