Q.

A relation R from C to R is defined by x R y if x =y. Which of the following is correct?

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a

1. (2+3i) R13

b

2. 3R (-3)

c

3. (1+i) R2

d

4. i R 1

answer is D.

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Detailed Solution

i=02+(1)2=1=1 i R 1  is correct.
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A relation R from C to R is defined by x R y if x =y. Which of the following is correct?