Question

is -5+2 root 5-root 5 irrational

Answer 1

I'll assume you mean

is $-5+2\sqrt{5}-\sqrt{5}$ rational ?

$-5+2\sqrt{5}-\sqrt{5}\\\\=-5+\sqrt{5}$

-5 is rational, and $\sqrt{5}$ is irrational, and the sum of rational and irrational is also irrational

so, the above number is irrational

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Answer 2

Hlo mate here is ur ans.......

$- 5 + 2 \sqrt{5} - \sqrt{5}$

$- 5 + \sqrt{5}$

-5 is irrational and

$\sqrt{5}$

Is irrational and the sum of rational and irrational is irrational.....

Sooo the given is also irrational......

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