Question

3 minus root 11 multiply 3 + root 11 is rational or irrational number

Answer 1

Answer:

Yes, it is a rational number.

Step-by-step explanation:

(3 - √11)(3+ √11)

= (3)² - (√11)². [ (a+b)(a-b) = a² - b² ]

= 9 - 11

= -2.

Answer 2

Answer:

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