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FP1 Modulus and argument help?

Screen Shot 2016-05-18 at 19.36.36.png
For part ii) would it be l z-(-1-isqrt3) l = 2
or l z-(1+isqrt3) l =2
I would use the mark scheme but it's useless
Thanks
Reply 1
Original post by AvM4N
Screen Shot 2016-05-18 at 19.36.36.png
For part ii) would it be l z-(-1-isqrt3) l = 2
or l z-(1+isqrt3) l =2
I would use the mark scheme but it's useless
Thanks


|z-(1+isqrt3)| = 2
Reply 2
Original post by AvM4N
Screen Shot 2016-05-18 at 19.36.36.png
For part ii) would it be l z-(-1-isqrt3) l = 2
or l z-(1+isqrt3) l =2
I would use the mark scheme but it's useless
Thanks


The latter.
Reply 3
Thanks :smile:

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