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sri valli Grade:
        

for all complex numbers Z1,Z2 satisfying mod(Z)=12 and mod(Z2-3-4i)=5,the minimum value of (Z1-Z2) is

7 years ago

Answers : (1)

Askiitians Expert Gaurav Aggarwal - IIT Delhi
14 Points
										

Dear sri valli,


We work on the Argand plane.


mod(z1) = 12 represents a circle centred at 0 and radius 12.


mod(z2-3-4i) = 5 represents a circle centred at (3,4) and radius 5.


This circle passes through origin. Distance of diametrically opposite end is 10.


So, the minimum value (z1 - z2) = 2




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Askiitians Experts


Gaurav Aggarwal

7 years ago
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