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1. |
Let \[\alpha \]and \[\beta \] be the roots of the equation \[{{x}^{2}}+x+1=0\] The equation whose roots are \[{{\alpha }^{19}},{{\beta }^{7}}\] is [IIT Screening 1994] |
A. | \[{{x}^{2}}-x-1=0\] |
B. | \[{{x}^{2}}-x+1=0\] |
C. | \[{{x}^{2}}+x-1=0\] |
D. | \[{{x}^{2}}+x+1=0\] |
Answer» E. | |