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Give an example of two irrational number...

Give an example of two irrational numbers whose sum is rational

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Let `x` and `y` are two irrational number such that,
`x = 10+2sqrt5` and `y = 10-2sqrt5`
Their sum will be,
`x+y = 10+2sqrt5+10-2sqrt5 = 20`, which is rational.
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