Question 1027375
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In order to answer this question, we first have to try to guess what the real question is.  The presentation of the problem is exceedingly bad.<br>
To start with, we have to guess what the meaning is of "(sqrt -1)".  This looks like an expression involving the subtraction of one number from another; but "sqrt" is not a number.  So the only reasonable guess is that this is supposed to be "sqrt(-1)".<br>
Next, the question asks us to find roots.  Roots are solutions to an equation; but there is no equation anywhere in the statement of the problem. "sqrt(-1)" is a number; numbers do not have roots.<br>
Another tutor APPEARS to have interpreted the question to be asking for the SQUARE roots of "sqrt(-1)", giving two answers.  But in fact what she showed in her response was dangerously wrong.  She said {{{sqrt(-1)}}} has the two values of i and -i.  But {{{sqrt(-1)}}} is A number -- it can't have two different values.<br>
But the problem ask for "all" the roots of "sqrt(-1)", and while that number has two square roots, is also has three cube roots, and four 4th roots, and 93 93rd roots....<br>
So the reader in the end has no idea what the question is really asking.<br>