2/9 Additive Inverse :

The additive inverse of 2/9 is -2/9.

This means that when we add 2/9 and -2/9, the result is zero:

2/9 + (-2/9) = 0

Additive Inverse of a Fraction

For fractions, the additive inverse is found by negating the numerator or denominator, but not both. In this case:

  • Original fraction: 2/9
  • Additive inverse: -2/9

To verify: 2/9 + (-2/9) = 0

Extended Mathematical Exploration of 2/9

Let's explore various mathematical operations and concepts related to 2/9 and its additive inverse -2/9.

Basic Operations and Properties

  • Square of 2/9: 0.049382716049383
  • Cube of 2/9: 0.010973936899863
  • Square root of |2/9|: 0.47140452079103
  • Reciprocal of 2/9: 4.5
  • Double of 2/9: 0.44444444444444
  • Half of 2/9: 0.11111111111111
  • Absolute value of 2/9: 0.22222222222222

Trigonometric Functions

  • Sine of 2/9: 0.22039774345612
  • Cosine of 2/9: 0.97541008538945
  • Tangent of 2/9: 0.22595393133353

Exponential and Logarithmic Functions

  • e^2/9: 1.2488488690017
  • Natural log of 2/9: -1.5040773967763

Floor and Ceiling Functions

  • Floor of 2/9: 0
  • Ceiling of 2/9: 1

Interesting Properties and Relationships

  • The sum of 2/9 and its additive inverse (-2/9) is always 0.
  • The product of 2/9 and its additive inverse is: -4
  • The average of 2/9 and its additive inverse is always 0.
  • The distance between 2/9 and its additive inverse on a number line is: 4

Applications in Algebra

Consider the equation: x + 2/9 = 0

The solution to this equation is x = -2/9, which is the additive inverse of 2/9.

Graphical Representation

On a coordinate plane:

  • The point (2/9, 0) is reflected across the y-axis to (-2/9, 0).
  • The midpoint between these two points is always (0, 0).

Series Involving 2/9 and Its Additive Inverse

Consider the alternating series: 2/9 + (-2/9) + 2/9 + (-2/9) + ...

The sum of this series oscillates between 0 and 2/9, never converging unless 2/9 is 0.

In Number Theory

For integer values:

  • If 2/9 is even, its additive inverse is also even.
  • If 2/9 is odd, its additive inverse is also odd.
  • The sum of the digits of 2/9 and its additive inverse may or may not be the same.

Interactive Additive Inverse Calculator

Enter a number (whole number, decimal, or fraction) to find its additive inverse:

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