COMEDK2018MathematicsComplex Number
The value of (-1+ -3 )⁶²+(-1- -3 )⁶² is
Options
- A2⁶²
- B2⁺³
- C-2⁶²
- D0
Correct answer
C. -2⁶²
Step-by-step solution
We have, aligned (-1&+ -3 )⁶²+(-1- -3 )⁶² &=2⁶² [ ( -1+ 3 i 2 )⁶²+ ( -1- 3 i 2 )⁶² ] &=2⁶² [ ⁶²+ ¹²⁴ ] &=2⁶² [ + ² ] &=2⁶²(-1)=-2⁶² aligned