Note: There are some solution for this math in Chegg. all are incorrect $,$ Kindly solve it if you are really expert and know how to solve it$.$

Please do it in hand and upload scanned copy from your note pad

Assuming $341\mathrm{.}70$ MVA base perform the necessary calculation. Using suitable method, deduce the expressions for unknown parameters of bus $2$ and $3$ and estimate the values for all the unknown parameters up to $3$rd iteration.