a number that cannot be expressed as a fraction or a ratio. Formally, we say a number is rational if it can be written in the form p/q where p and q are integers. If it cannot be written this way, it is irrational.
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No it cannot. Irrational means "not rational".
At least one of the factors has to be irrational.* An irrational number times ANY number (except zero) is irrational. * The product of two irrational numbers can be either rational or irrational.
No, they are two separate groups of numbers. A number is either rational or irrational, never both.
it is a rational number but 4.121314..... is an irrational no
An irrational number.