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Mathematics 24 Online
OpenStudy (anonymous):

indices hwk; with working out how to simplify: 25 ^1/2

OpenStudy (anonymous):

What is the square root of 25 ?

OpenStudy (anonymous):

1/2

OpenStudy (anonymous):

a^(1/n) where n is a positive integer takes n distinct takes however the nth root gives only a single value

OpenStudy (anonymous):

n distinct values

OpenStudy (anonymous):

25 to the 1/2 power is equal to radical 25 Refer to the attachment

OpenStudy (anonymous):

i thought it was 5 ??

OpenStudy (anonymous):

+-5

OpenStudy (anonymous):

square root 25=5 but 25^(1/2)=+-5

OpenStudy (anonymous):

thanks to both of u :)

OpenStudy (anonymous):

would it be -5 if the square root was negative?

OpenStudy (anonymous):

@robtobey

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