$$(iii)(\sqrt{3}+\sqrt{2})^{2}$$
$-2\sqrt{6}i-5i\approx -9.898979486i$
$$-i\left(\sqrt{3}+\sqrt{2}\right)^{2}$$
$$-i\left(\left(\sqrt{3}\right)^{2}+2\sqrt{3}\sqrt{2}+\left(\sqrt{2}\right)^{2}\right)$$
$$-i\left(3+2\sqrt{3}\sqrt{2}+\left(\sqrt{2}\right)^{2}\right)$$
$$-i\left(3+2\sqrt{6}+\left(\sqrt{2}\right)^{2}\right)$$
$$-i\left(3+2\sqrt{6}+2\right)$$
$$-i\left(5+2\sqrt{6}\right)$$
$$-5i-2i\sqrt{6}$$
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$-2\sqrt{6}i-5i$
