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The real values of the parameter 'a' for...

The real values of the parameter 'a' for which at least one complex number `z = x + iy` satisfies both theequality `|z - ai| = a + 4` and the inequality `|z - 2| lt 1`.

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The correct Answer is:
`(-21/10,-5/6)`
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MOTION-COMPLEX NUMBER -EXERCISE - 3 (LEVEL -III) SUBJECTIVE - JEE ADVANCED
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