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3.3 Übungen

Aus Online Mathematik Brückenkurs 2

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Übung 3.3:1

Write the following number in the form a+ib, where a and b are real numbers:

a) (i+1)12 b) 21+i312 
c) (434i)22  d) 1+i1+i312 
e) (3i)9(1+i3)(1i)8

Übung 3.3:2

Solve the equations

a) z4=1 b) z3=1 c) z5=1i
d) (z1)4+4=0 e) ziz+i2=1 

Übung 3.3:3

Complete the square of the following expressions

a) z2+2z+3 b) z2+3iz41
c) z22iz+4z+1 d) iz2+(2+3i)z1

Übung 3.3:4

Solve the equations

a) z2=i b) z24z+5=0
c) z2+2z+3=0 d) z1+z=21

Übung 3.3:5

Solve the equations

a) z22(1+i)z+2i1=0 b) z2(2i)z+(3i)=0
c) z2(1+3i)z4+3i=0 d) (4+i)z2+(121i)z=17

Übung 3.3:6

Determine the solution to z2=1+i both in polar form and in the form a+ib, where a and b are real numbers. Use the result to calculate tan8.