Answers edited by Sanjay VN
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Question #a59cd

Find the cube root of complex number ?
Z=ā2 + iā2

Question #e198c

(complexe numbers) Show that? Thank you!

How do you solve #x^212x+5=0# by completing the square?

Wire of length 20m is divided into two pieces and the pieces are bent into a square and a circle. How should this be
done in order to minimize the sum of their areas? Round your answer to the nearest hundredth?