The number $\left(3-\sqrt{3}\right)\left(3+\sqrt{3}\right)$ is:

Important Questions on Real Numbers

EASY

9th CBSE

IMPORTANT

Activity Plus in Mathematics>Chapter 1 - Real Numbers>Enrichment Exercise>Q A

The value of $n$ for which $\sqrt{n}$ be a rational number is

EASY

9th CBSE

IMPORTANT

Activity Plus in Mathematics>Chapter 1 - Real Numbers>Enrichment Exercise>Q A

If we add two irrational numbers, the resulting number:

MEDIUM

9th CBSE

IMPORTANT

Activity Plus in Mathematics>Chapter 1 - Real Numbers>Enrichment Exercise>Q A

Every rational number is

EASY

9th CBSE

IMPORTANT

Activity Plus in Mathematics>Chapter 1 - Real Numbers>Enrichment Exercise>Q A

The decimal representation of a rational number cannot be:

MEDIUM

9th CBSE

IMPORTANT

Activity Plus in Mathematics>Chapter 1 - Real Numbers>Enrichment Exercise>Q A

Between two rational numbers:

EASY

9th CBSE

IMPORTANT

Activity Plus in Mathematics>Chapter 1 - Real Numbers>Enrichment Exercise>Q A

The product of any two irrational numbers is:

EASY

9th CBSE

IMPORTANT

Activity Plus in Mathematics>Chapter 1 - Real Numbers>Enrichment Exercise>Q A

The value of $1.999$… in the form of $\frac{p}{q}$, where $p$ and $q$ are integers and $q\ne 0$ is:

EASY

9th CBSE

IMPORTANT

Activity Plus in Mathematics>Chapter 1 - Real Numbers>Enrichment Exercise>Q A

The decimal expansion of the number $\sqrt{2}$ is