12-i+1+i+1/2-i-1-i+i
4/1-i
4(1+i)/2
2(1+i)
modulus = 2√2
now ok??
a NCERT ques.-
if z1=2-i,z2=1+i,
find modulus[(z1+z2+1)/(z1-z2+i)]
-
UP 0 DOWN 0 0 6
6 Answers
1yup!i am also getting this only.
but in book ans. is given 4/√5
dunno where i am doing mistake.
1u sure d question is rite???? or are u sure u r seein d rite answer????
1sir,no these are selected questions which during my session i was not able to get ans.
BTW have a look at mad book at
http://ncert.nic.in/textbooks/testing/Index.htm
on link select class xi,mathematics
in index that opens up click on chap-5 complex no.
check pg-113 q.10 and its answer.