(x-3)^x2+1 = (x-3)^3x+11

2 min read Jun 03, 2024
(x-3)^x2+1 = (x-3)^3x+11

Solving the Equation: (x-3)^x2+1 = (x-3)^3x+11

Introduction

In this article, we will explore the solution to the equation (x-3)^x2+1 = (x-3)^3x+11. This equation involves exponential functions and requires careful manipulation to solve.

Simplifying the Equation

Let's start by rewriting the equation:

(x-3)^x2+1 = (x-3)^3x+11

To simplify the equation, we can start by rewriting the exponential functions in a more compact form:

(x-3)^(2x+1) = (x-3)^(3x+11)

Equality of Exponential Functions

Since the bases of the exponential functions are the same, we can equate the exponents:

2x+1 = 3x+11

Solving for x

Now, we can solve for x by subtracting 2x from both sides of the equation:

x+1 = 11

Subtracting 1 from both sides gives us:

x = 10

Verifying the Solution

To verify that x=10 is indeed the solution, we can plug it back into the original equation:

(10-3)^(2(10)+1) = (10-3)^(3(10)+11)

Simplifying the equation, we get:

7^21 = 7^31

Which is true.

Conclusion

In conclusion, the solution to the equation (x-3)^x2+1 = (x-3)^3x+11 is x=10. This solution was obtained by simplifying the exponential functions and equating the exponents.

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