Math, asked by navneetha64, 9 months ago

check whether ( 7+√5)(7-√5) is a rational or an irrational number​

Answers

Answered by gayathri06ajith
2

( 7+√5)(7-√5)

=7 square-√5 square

=49-5

=44

Thus it is a rational number

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Answered by sarojlad
2

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