Q.

For a, let A={z:Re(a+z¯)>Im(a¯+z)} and B={z:Re(a+z¯)<Im(a¯+z)}. Then among the two statements:
(S1) : If Re(a),Im(a)>0 , then the set   contains all the real numbers
(S2) : If  Re(a),Im(a)<0, then the set B contains all the real numbers, 
 

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

a

both are false

b

only (S1) is true

c

both are true

d

only (S2) is true

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

detailed_solution_thumbnail

Let a=a1+ia2,z=x+iyA={x+iy:Re(a+z¯)>Im(a¯+z)}

a1+x>-a2+y
a1+a2>yx  SI:a1>0,a2>0,

for all real numbers, y = 0
x<a1+a2 is not true for all real x, for given a1,a2 
SI is false 

a1+x<-a2+y

a1+a2<yx 
Similarly a1<0,a2<0, x>a1+a2,

for all real x is also not true
SII is false

Watch 3-min video & get full concept clarity

tricks from toppers of Infinity Learn

score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon