Root 5-3-2 is (a) a rational number (b) a natural number (c) equal to zero (d) an irrational number
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√5 - 3 - 2 is an irrational number
Given : The number √5 - 3 - 2
To find : The number is
(a) a rational number
(b) a natural number
(c) equal to zero
(d) an irrational number
Solution :
Here the given number is √5 - 3 - 2
First we simplify the given expression
√5 - 3 - 2
= √5 - 5
= - 5 + √5
- 5 is a rational number and √5 is a irrational number
We know sum of a rational number and an irrational number is always irrotational number
So - 5 + √5 is a irrational number
Thus √5 - 3 - 2 is a irrational number
Hence the correct option is (d) an irrational number
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