Xolove24
Xolove24
06-12-2021
Mathematics
contestada
if a+b+c=0, prove that a^2 - b^2 - c^2 = 2bc
Respuesta :
ranjot0143
ranjot0143
06-12-2021
Step-by-step explanation:
a+b+c=0
b+c=(-a) (SQUARING both the sides)
(b+c)²=(-a)²
(b²+c²+2bc)=a²
2bc=a²-b²-c²
HENCE PROVED
a²
-
b
²
-
c
²
=
2
b
c
Answer Link
puttinirajan
puttinirajan
11-12-2021
Step-by-step explanation:
........ ............... .......
Answer Link
VER TODAS LAS RESPUESTAS ( 47+ )
Otras preguntas
A mother is O-, and a father is AB-. Their first-born child is B+. Is this possible? Explain.
In lines 71-81 Thoreau uses a type of figurative language called hyperbole, exaggeration of the truth for a particular effect. What is he exaggerating and what
Timmy and Pedro have 24 trading cards altogether. Timmy gives Pedro 5 they each have the cards, and same number of cards. at first? How many trading cards does
what is the surface area of the figure?
what helped increase the movement of people and goods during the 1800s
Penelope learned of a new program that would help her company keep track of their inventory more efficiently. She sent an e-mail to the inventory control manage
What is the most important factor that explains differences in living standards among countries? a. labor unions b. minimum wage laws c. productivity d. efficie
How does carbon dioxide in the atmosphere relate to global temperatures
,need help with this problem was not in class for today lesson ,
What is one reason that matter is able to move around within the Earth? A. Earth's crust is divided into soft, flexible plates. B. The Earth's interior is
