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  • If one root of the equation x^2 -ix -( 1+i )=0 , then find the other root .

If one root of the equation x^2 -ix -( 1+i )=0 , then find the other root .

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Solution:   Let other root is alpha , then 

                                                 alpha+eta=-fracba   

        Rightarrow           (1+i)+alpha=iRightarrow alpha=-1

       Hence , other root is -1.            

Posted by

Deependra Verma

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