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 :

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

What is 3 to the power of 4? A. 81 B. 31 C. 27 D. 12

Suppose you have 3 pieces of string measuring 6 inches, 9 inches, and 12 inches. How many unique triangles can you form with these pieces of string?

When jefferson wrote the declaration of independence he used the ideas of philosophers from?

Linnaeus's significant development to modern taxonomy is _____

Solve the system of equations using the linear combination method 6g+8h=40 -6g+2h=-20 Enter your answer in the boxes G= H=

When copper (Cu) and oxygen (O) combine, two different compounds are formed. The first compound contains 88.8% copper by mass, and the second compound contains

Which of the following words is an exception to the rule of doubling the final consonant before adding a suffix that begins with a vowel? Begin Ax Drag Refer

Question 9(Multiple Choice Worth 4 points) (LC)Read this sentence from Abraham Lincoln’s Second Inaugural Address: Fondly do we hope – fervently do we pray – t

Which of the following is an example of an open-ended question ? A. Is texting while driving banned in the city of Texas? B. What have been the effects of state

A dime is 15 cents less than a?