COMEDK2016MathematicsComplex Number
If 2 x=-1+ 3 i , then the value of (1-x²+x )⁶- (1-x+x² )⁶=
Options
- A0
- B64
- C-64
- D32
Correct answer
A. 0
Step-by-step solution
We have, 2 x=-1+ 3 i x= -1+ 3 i 2 = So, (1-x²+x )⁶- (1-x+x² )⁶= (1- ²+ )⁶- (1- - ² )⁶= (-2 ² )⁶-(- - )⁶=2⁶ ¹²-2⁶()⁶=2⁶-2⁶=0 [ ³=1 ]