document.write( "Question 78453: hsving trouble understanding N-th root. Can you explain what it is, and how to solve problems with them. I have muddled thru square root ok, but having a little problem with cubic root, and don't know anything at all about N-th root.
\n" ); document.write( "Any help will be greatly appreciated. By the way, I am a 72 year old lady trying to learn Algebra. So far, so good. Thanks. Mary \n" ); document.write( "

Algebra.Com's Answer #56269 by stanbon(75887) $\"\"$ $\"About$

You can put this solution on YOUR website!
You know that every Real number has two square roots: 2 is the pricipal square
\n" ); document.write( "root of 4 and -2 is the secondary square root of four.
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\n" ); document.write( "when it comes to cube roots and higher it gets a little more complecated.
\n" ); document.write( "The priciple cube root of 8 is 2 because 2*2*2=8
\n" ); document.write( "There are two other cube roots but you have to understand the complex
\n" ); document.write( "number system to express them.
\n" ); document.write( "Similarly there are 4 4th roots of numbers, 5 5th roots of numbers,
\n" ); document.write( "and, in general, n nth roots of numbers.
\n" ); document.write( "When you study trigonometry and find out about a Frenchman named
\n" ); document.write( "DeMoivre you will find out how to calculate these \"other\" roots.
\n" ); document.write( "Hope this helps.
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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