Hi sukhman,
Are those supposed to be exponents? If so, then they should be written as x^(1/2) or (rootX).
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Well its E or 5sukhman wrote:For which of the following values of x is {1-[2-(x ^1/2)]^1/2}^1/2 not defined as a real number?
1 2 3 4 5
{1-[2-(x ^1/2)]^1/2}^1/2
If you look at it square root of 5 will be more than 2 and then the red part will yield a negative square root which is not the real number. So E is the answer.
I would suggest typing "√" in the question. I don't know about other readers, but I can't make any sense of that expression with all those 1/2's.
If you're on a Mac, you can type "√" by holding down "alt" and pressing the letter V.
If you're on any other computer, you can copy and paste the "√" that I've conveniently put right here in this post.
(:
If you're on a Mac, you can type "√" by holding down "alt" and pressing the letter V.
If you're on any other computer, you can copy and paste the "√" that I've conveniently put right here in this post.
(:
Ron has been teaching various standardized tests for 20 years.
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Pueden hacerle preguntas a Ron en castellano
Potete chiedere domande a Ron in italiano
On peut poser des questions à Ron en français
Voit esittää kysymyksiä Ron:lle myös suomeksi
--
Quand on se sent bien dans un vêtement, tout peut arriver. Un bon vêtement, c'est un passeport pour le bonheur.
Yves Saint-Laurent
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Learn more about ron
