Math, asked by sibarampanigrahi654, 4 months ago

2. Say whether (2+√3) × (2 - √3) is a rational number or irrational number.

Answers

Answered by Anonymous

2

Answer:

Step-by-step explanation:

(√2 - √3)(√2 + √3)

= √2² - √3²

= 2-3 =-1.

we have -1 which is a rational no.

and that's why, (√2 - √3)(√2 + √3) is a rational number.

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