JEE Main 9 Jan 2020 Shift 1 Solved Paper

Section: Mathematics

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Question : 53 of 75

Marks: +1, -0

Let z be complex number such that |

z−i

z+2i

|=1 and |z|=

5

2

. Then the value of |z + 3i| is :

[9 Jan 2020 Shift 1]

√10
2√3
7
2
15
4

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