1.

Let a= e^(i(2pi)/(3)). Then the equation whose roots are a+a^(-2)" and "a^(2)+a^(-4) is

Answer»

`X^(2)-2x+4=0`
`x^(2)-x+1=0`
`x^(2)+x+4=0`
`x^(2)+2x+4=0`

ANSWER :D


Discussion

No Comment Found

Related InterviewSolutions