Marcelaramirez1516 Marcelaramirez1516
  • 10-09-2017
  • Mathematics
contestada

Prove by contrapositiob, if x is irrational then square root of x is irrational

Respuesta :

Аноним Аноним
  • 10-09-2017
The contrapositive  is If  sqrt x is  rational then x is rational.
This is true as ,  for example   if sqrt x = 3 then  x = 9.

There is no way that a rational number squared would be irrrational.

Answer Link

Otras preguntas

why did christopher columbus end up enslaving the native americans and treating them harshly?
what is the value of 1 x ÷ 5, when x = 80?
Which has the same value as 15 tens
what plus what equals 1,250
3+5=8 and 13+5=18 therefore the sum of two odd numbers is an even number
27 sandwiches using 12 pounds of turkey. How much turkey was used per sandwich
why is time and place so important when looking at a source
the petrarchan sonnet form is characterized by __________. a. an octave and a sestet c. three quatrains and a couplet b. four terza rima stanzas and a couplet d
what would the phrase "twice the difference of a number and 5" look like as a variable expression? 2(x 5) 2(x−5) −5 2x 2 2(x−5)
which element on the periodic table contains 5 protons? a. copper b. boron c. sodium d. aluminum