Math, asked by Shreeyuu07, 1 month ago

state whether there following numbers are rational or not (5+√5) (5-√5)​

Answers

Answered by DepressedArmygirl
3

Answer:

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Answered by danitjacob3
1

Step-by-step explanation:

it is rational because

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

so the no. will be 5^2 -(√5)^2

= 25 - 5

= 20

and 20 is rational no.

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