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- Multiple ChoicePlease save your changes before editing any questions.Simplify √-42i-2i24i
- Multiple ChoicePlease save your changes before editing any questions.Simplify -√-8-i√8-2i√22i√2-8i
- Multiple ChoicePlease save your changes before editing any questions.Calculate:

i + 6i6i^{2}7i5i7i^{2} - Multiple ChoicePlease save your changes before editing any questions.Calculate:

(4 − 7i) − (-3 + 6i)7 − 13i7 − i1 − 13i1 − i - Multiple ChoicePlease save your changes before editing any questions.Calculate:

(1 − 2i) + (-4 + 2i)-3-3 − 4i5 − 4i5 - Multiple ChoicePlease save your changes before editing any questions.What does i
^{2 }= ?1-1√-1√1 - Multiple ChoicePlease save your changes before editing any questions.Calculate:

-4 (13 + 5i)-52 − 20i9 + i17 − 20i-52 + 20i - Multiple ChoicePlease save your changes before editing any questions.6i (-5 + 10i)-30i + 60i
^{2}30i − 16i^{2}11i + 60i^{2}-11i^{2}+ 16i - Multiple ChoicePlease save your changes before editing any questions.Calculate (multiply):

(4 + 3i)(4 − 3i)16 − 9i^{2}2578 − 6i - Multiple ChoicePlease save your changes before editing any questions.Calculate (multiply):

(1 − 2i)(6 + 5i)16 − 7i-16 + 7i-16 − 7i16 + 7i - Multiple ChoicePlease save your changes before editing any questions.Find the conjugate of:

5 + 7i5 − 7i-5 − 7i-5 + 7i - Multiple ChoicePlease save your changes before editing any questions.Find the conjugate of:

-4 − 8i-4 + 8i4 − 8i4 + 8i - Multiple ChoicePlease save your changes before editing any questions.Calculate(Divide, multiply by conjugate):12/5 − 4/5i-8/10i − 4/5-4/5 + 12/5i12/5 + 4/5i
- Multiple ChoicePlease save your changes before editing any questions.Calculate(Divide, multiply by conjugate):-3/4 − 1/4i3/4 + 1/4i-3/4 + 1/4i3/4 − 1/4i
- Multiple ChoicePlease save your changes before editing any questions.Simplify:

(10+ 15i)-(48 - 30i)58 - 45i58 - 15i-38 - 15i-38 + 45i - Multiple ChoicePlease save your changes before editing any questions.i
^{7}i-i1-1 - Multiple ChoicePlease save your changes before editing any questions.i
^{13}-11i-i