If a series RLC circuit has R = 25 ohm, XL = 50 ohms, and XC = 30 ohms, what will be the total impedance?

2 answers

i've tried total impedance formula sq root Xs^2+r^2= but i believe its isn't correct
Z = R + j(XL+Xc) = 25 + j(50+(-30)) =
25 + j20 = 32 Ohms[38.7o].