Math, asked by ps166652083, 1 day ago

(2+ sqrt 5 )(2- sqrt 5
a natural number
rational number
whole number
irrational numbers

Answers

Answered by jaseelak519

1

Step-by-step explanation:

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

here, we get 4-5=-1

it is a rational number

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