Question

is the number (5+√4)(5-√4) rational or irrational

Answer 1

HEY MATE
HERE IS YOUR ANSWER

$= (5 + \sqrt{4} )(5 - \sqrt{4} ) \\ = 5 + \sqrt{4} \ \times 5 - \sqrt{4} \\ = 10$

It is a irrational.

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Answer 2

Answer:

Hey  Mate Here Is Your Answer

It is rational number