A$)$ What is the total impedane, $Z_7,$ wif the circit bov shown in the tigue holow?

Hint:

$2+j4$

$1-j2$

$($A$)8\mathrm{.}16<mn>1</mn><mn>5</mn><mn>.</mn><mn>1</mn><mi>*</mi><mn>1</mn><mn>2</mn>$

$(1)\frac{7\mathrm{.}47}{{?}_{-}}11\mathrm{.}912$

$($C$)$ : $\mathrm{.}2$

$($D$)(5\mathrm{.}67+j1\mathrm{.}33)!$