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Question by piyushkumar Reward: Log in to view Status: Pending a resolution
is root2 a irriational



Reply from leakywelly User Rating:  2550 Knowledge Tokens
The square root of 2, often known as root 2, is the positive algebraic number that, when multiplied by itself, gives the number 2. It is more precisely called the principal square root of 2, to distinguish it from the negative number with the same property.

Geometrically the square root of 2 is the length of a diagonal across a square with sides of one unit of length; this follows from the Pythagorean theorem. It was probably the first number known to be irrational. Its numerical value truncated to 65 decimal places[1] is:

1.41421 35623 73095 04880 16887 24209 69807 85696 71875 37694 80731 76679 73799....

The square root of 2.

The quick approximation 99/70 for the square root of two is most frequently used. Despite having a denominator of only 70, it differs from the correct value by less than 1/10,000.
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Reply from Mahibio User Rating:  50 Knowledge Tokens
it is non terminating
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