Shortcut Methods

JEE Main

Shortcut Methods and Tricks:

  • To find the modulus of a complex number, simply use the formula a2+b2, where (a) and (b) are the real and imaginary parts of the complex number, respectively.

  • To find the argument of a complex number, use the formula tan−1⁡(ba), where (a) and (b) are the real and imaginary parts of the complex number, respectively.

  • To find the complex conjugate of a complex number, simply change the sign of the imaginary part.

CBSE Board Exams

Shortcut Methods and Tricks:

  • To find the modulus of a complex number, simply use the formula a2+b2, where (a) and (b) are the real and imaginary parts of the complex number, respectively.
  • To find the argument of a complex number, use the formula tan−1⁡(ba), where (a) and (b) are the real and imaginary parts of the complex number, respectively.
  • To find the complex conjugate of a complex number, simply change the sign of the imaginary part.
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