perplexus.info :: Just Math : Try a tricky solution

Try a tricky solution (Posted on 2023-06-28)

x^2-13=sqrt(x+13)

Assume that both sides of the above equation are positive numbers. Find all possible values of x.

No Solution Yet Submitted by Ady TZIDON

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re: computer solution

| Comment 2 of 6 |

(In reply to computer solution by Charlie)

No, Charlie

X=3 is excluded by definition

The idea is to solve analytically in a KISS way, due to the fact that 13 appears on both sides of the equation and I showed that trick some time ago.

Try it and I will post it as an "official solution"

Posted by Ady TZIDON on 2023-06-28 17:13:12

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