if (1+i)(x+iy) = 2+4i then 5x is: * O 15 O 10 05 O 3 Let z be a complex number such that |z| = 4 and arg(z) = 5/6, then z O -√3+i O2√3-21 O-2√3+2i 2.12 + 2
if (1+i)(x+iy) = 2+4i then 5x is: * O 15 O 10 05 O 3 Let z be a complex number such that |z| = 4 and arg(z) = 5/6, then z O -√3+i O2√3-21 O-2√3+2i 2.12 + 2
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:if (1+i)(x+iy) = 2+4i then 5x is : *
O 15
O 10
O 5
3
Let z be a complex number such
that |z| = 4 and arg(z) = 5/6, then z
=
O -√3+i
O2√3-21
O -2√3+2i
O2√3+21
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