In z=4+i, what is imaginary part?
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(x+3) + i(y-2) = 5+i2, find the values of x and y.
0+0i is ______________________for complex number z.
1+0i is _________________ for complex number z.
-z is _________________ for complex number z.
1/z is _________________ for complex number z.
Which of these is not a type of relation?
An Equivalence relation is always symmetric.
Which of the following relations is symmetric but neither reflexive nor transitive for a set A = {1, 2, 3}.
Which of the following relations is transitive but not reflexive for the set S={3, 4, 6}?
Let R be a relation in the set N given by R={(a,b): a+b=5, b>1}. Which of the following will satisfy the given relation?
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