Asked by Bill
Hey , can anyone help me out please? i'm really confused with this problem.
Prove that:
a^(m/n)= n(radical sign) a^m
Any help is appreciated, thank you.
Prove that:
a^(m/n)= n(radical sign) a^m
Any help is appreciated, thank you.
Answers
Answered by
drwls
The nth root of a^m is BY DEFINITION a^(m/n)
If you want a more convincing "proof", raise both sides of the equation to the nth power.
The left side is a^(m/n) multiplied by itgself n times, yielding a^m.
The right side is also a^m, because you started out with the nth root of that quantity.
If you want a more convincing "proof", raise both sides of the equation to the nth power.
The left side is a^(m/n) multiplied by itgself n times, yielding a^m.
The right side is also a^m, because you started out with the nth root of that quantity.
Answered by
Bill
ok, thanx mate
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