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Rational Numbers

2+√5 is a/an

Question

$(2 + \sqrt{5})$ is a/an

Whole number

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Natural number

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Rational number

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Irrational number

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Solution

The correct option is D Irrational number
We know that 2 is a rational number and $\sqrt{5}$ is an irrational number.
The sum of a rational number and an irrational number is always an irrational number.
Thus, $2 + \sqrt{5}$ is an irrational number.
Hence, the correct answer is option d.

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Similar questions

2 - \sqrt{5}

\sqrt{3}

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\Rightarrow 2 - \sqrt{5} = \frac{a}{b}, b \neq 0

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∵ 2 - \sqrt{5}

2 \sqrt{5}

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5 \sqrt{8} \div 3 \sqrt{2}

An expression $5 x^{2}$ + $5 x$ + $5$ is a binomial.

A

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\frac{5}{s i n A} - \frac{2}{c o s A} t a n A

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