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- 1. Multiple ChoiceMultiply:
(4 – 3i)(-7 – 2i)A. -23 + 13iB. -23 - 29iC. -34 + 13iD. -34 - 29i - 2. Multiple ChoiceSimplify:
(10+ 15i)-(48 - 30i)58 - 45i58 - 15i-38 - 15i-38 + 45i - 3. Multiple ChoiceFind the sum.
(5-2i) + (-7+8i)-2+6i12+6i-35-16i2-35 -16i - 4. Multiple ChoiceMultiply:
(2-5i)(2+5i)294 - 25i25 - 10i-21 - 5. Multiple Choicei79i1-1-i
- 6. Multiple Choice(2i)(3i)5i-56i2-6
- 7. Multiple Choice(3i)(-2+4i)-6+12i-12-6i-2+7i12+6i
- 8. Multiple Choicei13-11i-i
- 9. Multiple ChoiceWhat is i129?-ii1-1
- 10. Multiple Choicei7i-i1-1
- 11. Multiple ChoiceWhat is the complex conjugate of 4-3i?A. 1/(4-3i)B. 1/(4+3i)C. -4 + 3iD. 4 + 3i
- 12. Multiple ChoiceWhich expression is equivalent to (3 - 4i) –(3 + 5i)?-9i-93-9i3
- 13. Multiple ChoiceWhich expression is equivalent to (2 - 4i) +(5 + 7i)?3+3i7-3i7+3i3-3i
- 14. Multiple ChoiceWhich expression is equivalent to (-6 + i)²?36 - 12i35 - 12i36i²35i
- 15. Multiple Choice
A.B.C.D. - 16. Multiple ChoiceA.B.C.D.
- 17. Multiple ChoiceSimplify the division problem:
(2-4i)/(1+3i)-1-i(2-12i2)/10(5+5i)/4(-10-10i)/10 - 18. Multiple Choicei661i-1-i
- 19. Multiple Choicei52i-i1-1
- 20. Multiple ChoiceSimplify(-10+6i)/17(-8+15i)/17(-23+36i)/25(-21+33i)/34
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