JEE Main 2018 — Complex Number Question with Solution
JEE Main 2018 (15 Apr Shift 2 Online)
Question
If then the difference between the greatest value and the least value of is
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
represents a circle whose centre is and radius .
represents the distance of point ' ' from origin
Suppose is the normal of the circle passing through origin ' ' and is its center Here, is the least distance and is the greatest distance and As, From (1), and So, required difference
Suppose is the normal of the circle passing through origin ' ' and is its center Here, is the least distance and is the greatest distance and As, From (1), and So, required difference
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This is a previous-year question from JEE Main 2018, covering the Complex Number chapter of Mathematics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.