Question

classify the number as rational or irrational: (3 + √23) - √23
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Answer 1

Answer:

the square root o

the number obtained

lution Let us find the root of 8,460.

Since 8,460 is more than 912. the next square number will be 922

clearly

912 < 8,460 < 922

As

(92)2 = 92 x 92 - 8,464

To obtain 8,464, 4 must be added to 8,460

Required