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A few quick maths questions! PS. Its a bit of a competition!

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Reply 40
Avatar for RichE
RichE
15
DaveManUK
obviously. from fta.


You don't need the FTA for this - just follows from algebraic properties of conjugation
Reply 41
Avatar for JamesF
JamesF
1
116.56505117707798935157219372045

Dammit i wrote this before and changed my mind :frown:
Reply 42
Avatar for SsEe
SsEe
13
116.565 ?
God dammit!!! :smile:
SsEe
116.565 ?

:dito:?
Reply 44
Avatar for RichE
RichE
15
DaveManUK
thats wrong arg is measured ±0:180.


Arg - like principal values - can be measured however you choose to cut the plane

so from 0->2pi or -pi->pi or -pi/2 -> 3pi/2
Reply 45
Avatar for Rustyk1
Rustyk1
OP
1
JamesF, correct!

Points:
Spenceman_ = 1
darth_vader05 = 1
DaveManUK = 1
SsEe = 1
JamesF = 1

Question 6

Find the value of zz* if

z = 2+3i
Reply 46
Avatar for JamesF
JamesF
1
13 is the answer
zz*=|z|=13.
Reply 48
Avatar for SsEe
SsEe
13
13........
D'oh!!
Reply 49
Avatar for JamesF
JamesF
1
Muahaha :p:
Reply 50
Avatar for JamesF
JamesF
1
I wonder if this is his homework...
JamesF
Muahaha :p:

ur too fast:s
JamesF
I wonder if this is his homework...

yeh prolly seeing as all the questions are on C #'s
Reply 53
Avatar for SaccerZD
SaccerZD
2
isn't maths great?
Reply 54
Avatar for Rustyk1
Rustyk1
OP
1
James F again!!

Points:
Spenceman_ = 1
darth_vader05 = 1
DaveManUK = 1
SsEe = 1
JamesF = 2

Question 7

Find the real part of z/w* if

z = 10 + 4i and w = -5 + 10i
Reply 55
Avatar for SsEe
SsEe
13
..........-18/25
Reply 56
Avatar for JamesF
JamesF
1
-0.72
Reply 57
Avatar for Rustyk1
Rustyk1
OP
1
lol, it's not my homework. I'm currently in a year out. Just wanted to catch up with my maths before uni
-0.72
Reply 59
Avatar for SsEe
SsEe
13
I goofed...

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