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Ad libitum [116K]
3 years ago
6

Which statement about 'square root X - 5 minus square root X = 5'' is true?

Mathematics
1 answer:
Licemer1 [7]3 years ago
4 0

Answer: x=9 is an extraneous solution

Step-by-step explanation:

Given

Function is f(x)=\sqrt{x-5}

for function to exist

\Rightarrow x-5\geq 0\\\Rightarrow x\geq 5

Therefore, 9 satisfies the  above equation. It is it's extraneous solution.

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