InterviewSolution
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InterviewSolution
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If `|z-1|lt=2a n d|omegaz-1-omega^2|=a``(w h e r eomegai sac u b erootofu n i t y)`, then complete set of values of `a`is`0lt=alt=2`b. `1/2lt=alt=(sqrt(3))/2`c. `(sqrt(3))/2-1/2lt=alt=1/2+(sqrt(3))/2`d. `0lt=alt=4`A. `0 le ale 2`B. `(1)/(2) le a le (sqrt(3))/(2)`C. `(sqrt(3))/(2)-(1)/(2)lea le (1)/(2) +(sqrt(3))/(2)`D. `0le ale 4` |
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Answer» Correct Answer - D `|omegaz-1-omega^(2)|=a` `rArr |z+1|=arArr|z-1+2|=a` `rArr |z-1|+2ge arArr 0 le a le 4` |
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