Question

Which one of te following is an irrational number ? (a. root 4 (b. root5 c) root 16d) root9

Answer 1

Answer:

B

√5

because rest all the roots are the square of some numbers

For example √4 is square of 2

same goes with √16 it is square of 4

and √9 is square of 3

and√5 has no square therefore and is B

Answer 2

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