If a complex number z satisfies |2x+10+10i| \leq 5\sqrt 3-5 then t | Filo
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Class 11

Math

Algebra

Complex Numbers and Quadratic Equations

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If a complex number satisfies then the least principal argument of is

Correct Answer: Option(a)
Solution:



This equation represents a circle with centre and radius 
. The circle is in third quadrant. 

Draw a tangent from origin to the circle meeting the circle at as shown in figure. 

Let .





Argument of

Least principal argument of = Argument of

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