Q.

Number of ordered pair(s) (x,y) of real numbers such that (x+iy)2023=xiy holds good is

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a

2025

b

2029

c

2023

d

2021

answer is C.

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Detailed Solution

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sZ=x+y˙Z¯=xi˙y so Z2023=Z¯.........(1) Z2023=|Z¯|=|Z||Z|2023=|Z||Z||Z|20231=0|Z|=0 or |Z|=1 If |Z|=0|Z|=0(0,0) If |Z|=1Z2023=Z¯ From (1)ZZ2023=ZZ¯Z2024=|Z|2Z2024=12024 Value of Z Total =2025

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