Mattsaman2538 Mattsaman2538
  • 25-08-2017
  • Mathematics
contestada

Is the difference between two irrational numbers always irrational?

Respuesta :

ghanami
ghanami ghanami
  • 25-08-2017
hello : 
let two irrational numbers : a = 3 + √5    and  b = 3 - √5 
the difference is : a -b = (3 + √5) -  (3 - √5 ) = 0
but zero is not irrational number
Answer Link

Otras preguntas

Which statement comparing prose and poetry is correct? Prose uses punctuation, but poetry does not. Poetry uses figurative language, but prose does not. P
A gland secretes enzymes through a duct onto the surface of a body part. Which gland is it most likely to be? A.pituitary gland B.salivary gland C.thyroid gland
Information in the environment that causes an animal to react is (1 point)a control. an interneuron. a response. a stimulus.
Because of ____, people exposed to the same information will often disagree about what they saw or heard. defensive biases feedback variables differences in co
Prior to being swallowed, approximately _____% of starches in food are broken down in the mouth. A. 5 B. 10 C. 20 D. 30 Typically, candies, soft drinks, de
It is possible to have multiple jobs within an occupation. Please select the best answer from the choices provided T F
What is the purpose of enzymes? List three examples and what they do?
how many molecules are there in 4.00 moles of glucose
The main reason that family and friends are frequent targets of aggression is that a they're convenient b as obstacles, they're unremovable c frustration-prod
in his transformation experiments, what did griffith observe?