A series LCR circuit has resonant frequency 0 and a large quality factor Q. Write down in

A series LCR circuit has resonant frequency ω0 and a large quality factor Q. Write down in terms of R, ω, ω0 and Q
(a) Its impedance at resonance,
(b) Its impedance at the half-power points, and
(c) The approximate forms of its impedance at low and high frequencies.