Proof If x^n=y^n , n= odd Then x=y

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In summary, the significance of n being an odd number in this proof is that it eliminates the possibility of x and y having opposite signs. This proof can be applied to all real numbers, regardless of their form. It relates to the concept of symmetry, as it shows that two numbers raised to the same odd power and resulting in the same value must be equal. There is a similar proof for even exponents, but the conclusion is slightly different. Finally, this proof can be used to solve equations with variables, making it a useful tool in finding solutions.
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Antonio94
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If x^n=y^n , n= odd
Then x=y I know that an odd is n=2k+1
So x^(2k+1)=y^(2k+1)

I don't know how to finish it. Please help.
 
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Please post a new problem in the Homework & Coursework section, not here in the technical math sections. When you post the problem, be sure to fill out the homework template.

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FAQ: Proof If x^n=y^n , n= odd Then x=y

What is the significance of n being an odd number in this proof?

The significance of n being an odd number in this proof is that it allows us to eliminate the possibility of x and y having opposite signs. This is because an odd number raised to any power will always result in an odd number, regardless of the sign of the base number.

Can this proof be applied to all real numbers?

Yes, this proof can be applied to all real numbers. As long as the equation x^n = y^n holds true, and n is an odd number, then it can be concluded that x=y. This applies to all real numbers, including positive and negative numbers, fractions, and irrational numbers.

How does this proof relate to the concept of symmetry?

This proof relates to the concept of symmetry because it shows that if two numbers are raised to the same odd power and they result in the same value, then the numbers must be equal. This is similar to the concept of symmetry, where if two sides of an object are identical, then the object is symmetrical.

Is there a similar proof for even exponents?

Yes, there is a similar proof for even exponents. However, the statement would be slightly different: "If x^n = y^n and n is an even number, then x and y can be either equal or opposite in sign." This is because an even number raised to any power can result in either a positive or negative number, depending on the sign of the base number.

Can this proof be used to solve equations with variables?

Yes, this proof can be used to solve equations with variables. If the equation follows the form of x^n = y^n, where n is an odd number, then it can be concluded that x=y. This can be helpful when solving for unknown variables in equations, as it provides a simple and efficient way to check for solutions.

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