MCQMediumJEE Main 2023 · 11 April, Shift 2Complex Numbers Basics

Mathematics Question from JEE Main 2023 · 11 April, Shift 2

For aCa \in \mathbb{C}, let:

A={zC:Re(a+z)>Im(a+z)},andB={zC:Re(a+z)<Im(a+z)}.A = \{ z \in \mathbb{C} : \operatorname{Re}(a + \overline{z}) > \operatorname{Im}(\overline{a} + z) \}, \text{and} \quad B = \{ z \in \mathbb{C} : \operatorname{Re}(a + \overline{z}) < \operatorname{Im}(\overline{a} + z) \}.

Among the two statements:

(S1): If Re(a),Im(a)>0\operatorname{Re}(a), \operatorname{Im}(a) > 0, then the set AA contains all the real numbers.

(S2): If Re(a),Im(a)<0\operatorname{Re}(a), \operatorname{Im}(a) < 0, then the set BB contains all the real numbers.

  • A

    Only (S1) is true

  • B

    Both are false

  • C

    Only (S2) is true

  • D

    Both are true

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