Simplify the following and express in the form (a+ib): `frac{3 i^5 + 2 i^7 +i^9}{i^6+2 i^8 +3 i^18}`

Simplify the following and express in the form (a+ib): frac{4+3i}{1-i}

Simplify the following and express in the form (a+ib): (2i^3)^2

Answer the following. Simplify the following and express in the form a + ib: (3i^5 + 2i^7 + i^9) / (i^6 + 2i^8 + 3i^18)

Simplify the following and express in the form (a+ib): 5/2 i(-4-3i)

Simplify the following and express in the form (a+ib): (1+3i)^2 (3+i)

Simplify the following and express in the form (a+ib): (2+3i)(1-4i)