Question

please answer fast.
the above question.
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Answer 1

Answer:

(c) (√2-√3)(√2+√3)

All other are irrational as square root of 2, 3 and 7 is irrational.

Step-by-step explanation:

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

(√2-√3)(√2+√3) = (√2)^2-(√3)^2= 2-3= 1