. The expression (2+√3) (2 - √3) is
expression (2+√3) (2 - √3) is
a. a rational number
b. a natural number
c. an integer
d. all the above
Best Answer
Ans: d
Sol: (2 + √3) (2 - √3)
= [23 −(√3)2] = 4 − 3 = 1
Hence 1 is a rational number or natural number or an integer.
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