Step 1: Write the given system of equations.
2iz+(3−2i)ω=1+i(1)
(1−2i)z+(3+2i)ω=5+6i(2)
Step 2: Eliminate z. Multiply Equation (1) by (1−2i) and Equation (2) by 2i.
Multiply Equation (1) by (1−2i):
(1−2i)(2iz)+(1−2i)(3−2i)ω=(1−2i)(1+i)
(2i−4i2)z+(3−2i−6i+4i2)ω=(1+i−2i−2i2)
(4+2i)z+(−1−8i)ω=(3−i)(3)
Multiply Equation (2) by 2i:
(2i)(1−2i)z+(2i)(3+2i)ω=(2i)(5+6i)
(2i−4i2)z+(6i+4i2)ω=(10i+12i2)
(4+2i)z+(−4+6i)ω=(−12+10i)(4)
Step 3: Subtract Equation (4) from Equation (3).
[(4+2i)z+(−1−8i)ω]−[(4+2i)z+(−4+6i)ω]=(3−i)−(−12+10i)
(−1−8i+4−6i)ω=3−i+12−10i
(3−14i)ω=15−11i
Step 4: Solve for ω.
ω=3−14i15−11i
Multiply the numerator and denominator by the conjugate of the denominator, 3+14i:
ω=(3−14i)(3+14i)(15−11i)(3+14i)
ω=32−(14i)215(3)+15(14i)−11i(3)−11i(14i)
ω=9−196i245+210i−33i−154i2
ω=9+19645+177i+154
ω=205199+177i
\omega = \frac{199{205} + \frac{177}{205}i}
Step 5: Substitute ω into Equation (1) to solve for z.
2iz+(3−2i)ω=1+i
2iz=1+i−(3−2i)ω
2iz=1+i−(3−2i)(205199+177i)
2iz=205205(1+i)−(3−2i)(199+177i)
First, calculate (3−2i)(199+177i):
(3−2i)(199+177i)=3(199)+3(177i)−2i(199)−2i(177i)
=597+531i−398i−354i2
=597+133i+354
=951+133i
Now substitute this back:
2iz=205205+205i−(951+133i)
2iz=205205+205i−951−133i
2iz=205−746+72i
Step 6: Solve for z.
z=205×2i−746+72i
z=410i−746+72i
Multiply the numerator and denominator by −i:
z=410i(−i)(−746+72i)(−i)
z=−410i2746i−72i2
z=410746i+72
z=41072+410746i
Simplify the fractions:
z=20536+205373i
z = \frac{36{205} + \frac{373}{205}i}
3 done, 2 left today. You're making progress.