In Numbers

# What is an irrational number?

Irrational numbers are numbers that cannot be expressed as fractions with whole numbers. They are generally roots (such as the square root of two) or constants (such as pi and (MORE)
In Numbers

# Does an irrational number multiplied by an irrational number equal an irrational number?

The product of two irrational numbers may be rational or irrational. For example, sqrt(2) is irrational, and sqrt(2)*sqrt(2) = 2, a rational number. On the other hand, (2^(1/4 (MORE)
In Numbers

# Can whole numbers be irrational numbers?

No. An irrational number can only be part of a whole number. Every whole number is rational. 1000000
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In Numbers

# Is the product of two irrational numbers irrational?

  Sometimes it is and sometimes it isn't. The square root of 2 and the square root of 3 are both irrational, as is their product, the square root of 6. The square root of (MORE)

# Is the sum of three irrational numbers an irrational number?

  Yes, but not always. An easy example is sqrt(2) + sqrt(2) + sqrt(2) = 3sqrt(2), an irrational number. An easy counterexample is 2sqrt(2) + -sqrt(2) + -sqrt(2) = 0, w (MORE)

# 15 Symptoms Of Vitamin D Deficiency That Most People Ignore

If you are experiencing any of these symptoms, it may be time for you to get outside and catch some rays. (MORE)

# 14 Actors Who Wish They'd Never Gotten Their Iconic Roles

As it turns out, these stars actually regret the roles responsible for launching their careers into unforgettable stardom. After you read our explanations, perhaps you'll unde (MORE)

# 17 Obvious Things You've Probably Never Thought Of

When it comes to basic facts, what you don't know can hurt you, or at the very least surprise you. (MORE)

# Simple Tricks Even an Old Dog (or Young Pup) Can Learn

As the saying goes, you can't teach an old dog new tricks. Some tricks, however, are so simple that even an old dog or new puppy can learn them. Just practice any of the follo (MORE)
In Numbers

# Why an irrational number plus an irrational number equal a rational?

That simply isn't true. The sum of two irrational numbers CAN BE  rational, but it can also be irrational. As an example, the square  root of 2 plus the square root of 2 is (MORE)
In Numbers

# Is an irrational number times an irrational number always irrational?

The square root of 2 is irrational, yet the product of it with itself is 2. So the answer is no.
In Science

# Is an irrational number divided by a rational number always irrational?

Yes. The proof is easy. Let x be the irrational number and assume  there exists some rational number r = a/b where a and b are  integers (that's what it means to be rational (MORE)
In Science

# Is an irrational number plus an irrational number rational?

No.    The sum of an irrational number and any other [real] number is  irrational.
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In Numbers

# Is the number 11.2092 a irrational number?

No, because if need be it can be expressed as a fraction whereas irrational numbers can't be expressed as fractions.
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