Question

What will be the output of Math.sqrt(-4.0)

Answer 1

Explanation:

The Math.sqrt() function returns the square root of a number, that is

∀x≥0,Math.sqrt(x)=x

=the uniquey≥0such thaty2=x

Answer 2

Answer:

var a = Math.sqrt(0);

var b = Math.sqrt(1);

var c = Math.sqrt(9);

var d = Math.sqrt(64);

var e = Math.sqrt(-9);

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