Question

find a+ib from of
z=4√-4+5√-9-3√-16​

Answer 1

Answer:

0 + 11i

Step-by-step explanation:

z=4√-4 + 5√-9 - 3√-16

 = 4√4i + 5√9i - 3√16i

 = 4(2)i + 5(3)i - 3(4)i

 = 8i + 15i - 12i

 = 8i + 3i

 = 11i

 = 0 + 11i

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