Math, asked by rgswamys, 9 months ago

(2+root 2) (2-root 2)as rational or irrational

Answers

Answered by sahuharsh182

0

Answer:

bro rational because

(a+b )(a-b)=a²-b²

2²-root 2². (root will cancel by sqare)

4-2

2 hence rational

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