Q7. If z = (+ i), then (z)³ = a. 2/2[cos () + sin()1 b. [cos () + sin ( )]

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Q7. If z = ( + i), then (z)³ =
a. 2v2[cos () + sin
b. [cos () + sin (
c. 2v2[cos () + sin()1
d. VZ[cos () + sin ( :)
Transcribed Image Text:V3 Q7. If z = ( + i), then (z)³ = a. 2v2[cos () + sin b. [cos () + sin ( c. 2v2[cos () + sin()1 d. VZ[cos () + sin ( :)
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