Math, asked by kaminibedi786, 1 month ago

solve and check whether the following number are rational or irrational?
( √5+2)×( √5‐2)

Answers

Answered by nandithaeknandu

2

Answer:

(√5)^2-(2)^2 by the formula

(a+b)(a-b)=a^2-b^2

5-4=1

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