kadenandbrown5081 kadenandbrown5081
  • 24-09-2017
  • Mathematics
contestada

Prove that a triangle with sides n^2 1, n^2 - 1 and 2n (for n > 1) is a right triangle

Respuesta :

caylus
caylus caylus
  • 24-09-2017
Hello,

You have lost a sign "+".
[tex](n^2-1)^2+(2n)^2\\ =n^4-2n^2+1-4n^2\\ =n^4+2n^2+1\\ =(n^2+1)^2 [/tex]

Theorem of Pythagore is verified in this case: the triangle is a right one
Answer Link

Otras preguntas

Solve for x. 10x^2=29x-21 does anyone know this
I need help on this question please help?
find the common ratio of r 6,24,96,384
At 10a.m. Juan leaves the city traveling north at 60 mi/hr. One hour later mel leaves the city traveling south at 50 mi/hr. At what time will they be 830 miles
True or false the origin would be included in the solution set for the following inequality: y>3x-9
How and why did the antislavery movement become more radical over the period 1815 to 1860?
True or false the origin would be included in the solution set for the following inequality: y>3x-9
Hey there this is Japanese What is the meaning of :1) sugoi2) takai
True or false the origin would be included in the solution set for the following inequality: y>3x-9
True or false the origin would be included in the solution set for the following inequality: y>3x-9