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Complex Numbers question

2023 · 29 Jan · Shift 1 · Q31
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  5. /2023 · 29 Jan · Shift 1 · Q31

Complex Numbers question

2023 · 29 Jan · Shift 1 · Q31

JEE MainMathematicsComplex NumbersMCQ+4 / −1
For two non-zero complex numbers z1z_{1}z1​ and z2z_{2}z2​, if Re⁡(z1z2)=0\operatorname{Re}\left(z_{1} z_{2}\right)=0Re(z1​z2​)=0 and Re⁡(z1+z2)=0\operatorname{Re}\left(z_{1}+z_{2}\right)=0Re(z1​+z2​)=0, then which of the following are possible? A. Im⁡(z1)>0\operatorname{Im}\left(z_{1}\right)\gt 0Im(z1​)>0 and Im⁡(z2)>0\operatorname{Im}\left(z_{2}\right) \gt 0Im(z2​)>0 B. Im⁡(z1)0\operatorname{Im}\left(z_{1}\right) 0Im(z1​)0 C. Im⁡(z1)>0\operatorname{Im}\left(z_{1}\right) \gt 0Im(z1​)>0 and Im⁡(z2)D.\operatorname{Im}\left(z_{2}\right) D.Im(z2​)D.\operatorname{Im}\left(z_{1}\right) Choose the correct answer from the options given below :
  1. A
    A and C
  2. B
    A and B
  3. C
    B and D
  4. D
    B and C
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