11/21 Additive Inverse :

The additive inverse of 11/21 is -11/21.

This means that when we add 11/21 and -11/21, the result is zero:

11/21 + (-11/21) = 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: 11/21
  • Additive inverse: -11/21

To verify: 11/21 + (-11/21) = 0

Extended Mathematical Exploration of 11/21

Let's explore various mathematical operations and concepts related to 11/21 and its additive inverse -11/21.

Basic Operations and Properties

  • Square of 11/21: 0.27437641723356
  • Cube of 11/21: 0.14372098045567
  • Square root of |11/21|: 0.72374686445575
  • Reciprocal of 11/21: 1.9090909090909
  • Double of 11/21: 1.047619047619
  • Half of 11/21: 0.26190476190476
  • Absolute value of 11/21: 0.52380952380952

Trigonometric Functions

  • Sine of 11/21: 0.50018250219967
  • Cosine of 11/21: 0.86592001044743
  • Tangent of 11/21: 0.57763130100345

Exponential and Logarithmic Functions

  • e^11/21: 1.6884475947814
  • Natural log of 11/21: -0.64662716492505

Floor and Ceiling Functions

  • Floor of 11/21: 0
  • Ceiling of 11/21: 1

Interesting Properties and Relationships

  • The sum of 11/21 and its additive inverse (-11/21) is always 0.
  • The product of 11/21 and its additive inverse is: -121
  • The average of 11/21 and its additive inverse is always 0.
  • The distance between 11/21 and its additive inverse on a number line is: 22

Applications in Algebra

Consider the equation: x + 11/21 = 0

The solution to this equation is x = -11/21, which is the additive inverse of 11/21.

Graphical Representation

On a coordinate plane:

  • The point (11/21, 0) is reflected across the y-axis to (-11/21, 0).
  • The midpoint between these two points is always (0, 0).

Series Involving 11/21 and Its Additive Inverse

Consider the alternating series: 11/21 + (-11/21) + 11/21 + (-11/21) + ...

The sum of this series oscillates between 0 and 11/21, never converging unless 11/21 is 0.

In Number Theory

For integer values:

  • If 11/21 is even, its additive inverse is also even.
  • If 11/21 is odd, its additive inverse is also odd.
  • The sum of the digits of 11/21 and its additive inverse may or may not be the same.

Interactive Additive Inverse Calculator

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