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प्रश्न
Give an example of two irrationals whose sum is rational.
उत्तर
Let the two irrationals be 4 - `sqrt(5)` and 4 + `sqrt(5)`
(4 - `sqrt(5)`) + (4 + `sqrt(5)` ) = 8
Thus, sum (i.e., 8) is a rational number.
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