Home Maths Complex Number Argand Plane and Polar Representation If |z - 2 + i| 2, then find the greatest an…
Maths Complex Number Argand Plane and Polar Representation Subjective Type
Published on: August 14, 2026

If |z - 2 + i| 2, then find the greatest and least value of |z|.

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The correct answer is:
CHECK THE SOLUTION.

Given that

(Using )

From Eqs. (i) and (ii), we get

Therefore,

Hence, the greatest value of is and the least value of is .

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