Question

Which of the following is not irrational? (a) 3 - 4sqrt(5) (b) sqrt(11) - 6 (c) 2 + 2sqrt(9) (d) 4 sqrt 1 1-6
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Answer 1

Answer:

All of these are irrational number

Answer 2

Answer:

c) 2+ 2 sqrt(9) it is 2+2*3= 8