Show that 5 + 2√7 is an irrational number, where √7 is given to be an irrational number

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Show that  5 + 2√7 is an irrational number, where  √7 is given to be an irrational number



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Show that  5 + 2√7 is an irrational number
where  √7 is given to be an irrational number