Frequency & circuits

1. The problem statement, all variables and given/known data

For an RLC circuit with a resistance of 13.0 kΩ a capacitance of 7.0 µF, and an inductance of 35.0 H. What frequency is needed to minimize the impedance?
A) 0.064 kHz
B) 0.010 kHz
C) 12 kHz
D) 2.1 kHz

2. Relevant equations

Xc = 2∏ƒL
XL = 1/ (2∏ƒC)

3. The attempt at a solution

i’m really unsure if i need to use the XL or the Xc equation?
or 1/(2(3.14)*frequency*capacitance
i’ve been stuck on this one forever.. any guidance is much appreciated!

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