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JEE 2020 Mathematics : Complex Number -02 (17.09.2019)

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Question 1

The question has FOUR options. ONLY ONE of these four options is the correct answer.

If the square root of

, then m is

Question 2

If x + i y = $Description: Description: Vitjee-2014-Maths_files\image043.png$ , then x² +y² is equal to

Question 3

If $Description: Description: E:\VITJEE\Vitjee-2015-Maths_files\image079.png$ , then the least value of $Description: Description: E:\VITJEE\Vitjee-2015-Maths_files\image080.png$ is

Question 4

The least positive integer n, for which $Description: E:\KCET-1-Feb\Karnataka-Paper-2010_files\image436.png$ is positive is

Question 5

If the conjugate of (x+iy)(1-2i) is 1+i, th

Question 6

The modulus and amplitude of $Description: E:\KCET-1-Feb\Karnataka_CET2013_files\image466.png$ are

Question 7

If $Description: E:\KCET-1-Feb\KARNATAKA-PAPER-2015_files\image480.png$ , then $Description: E:\KCET-1-Feb\KARNATAKA-PAPER-2015_files\image481.png$ is equal to