Let `x, y in R`. Then `x + iota y` is a non real complex number is

Let x, y in R . Then x + i y is a non real complex number if

Let x, y in R then x+i y is a non real complex number is

Select and write the correct answer from the given alternatives in each of the following: Let x, y in R then x + yi is a non-real complex number if

If x, y in R then x+iy is a non-real complex number, if

Let x,y ∈ R, then x+iy is a purely imaginary number if

Let R be the set of real numbers Statement-1: A = {(x,y) in R xx R : y-x is an integer} is an equivalence relation on R. Statement -2 : B = {(x,y) in R xx R : x= alpha y for some relational number alpha } is an equivalence relation on R.

The number of functions f:R rarr R satisfying f(x+y)=f(x)f(y)f(xy) where x,y in R and R is the set of real numbers is

For real numbers x and y define x\ R\ y if x - y + sqrt(2) is an irrational number. Then the relation R is