radomes.openskiesproject.org
spintrin99 spintrin99
  • 30-08-2016
  • Mathematics
Answered

For all real numbers a and b, 2a • b = a2 + b2


True Or False ! Explain

Verified Answer :

parry1
parry1 parry1
  • 30-08-2016

this is true only if one of a or b is negative
(a-b)^2 is 0
a^2+b^2-2ab=0
a^2+b^2=2ab

(A-b)^2 is 0
if a-b=0

Answer Link
jhonyy9
jhonyy9 jhonyy9
  • 30-08-2016

this may be equal with this formula of 

(a-b)^2 = a^2 -2ab +b^2

Answer Link

Related Questions

Why was the tet offensive considered the turning point in the Vietnam war
The production of electricity from moving water is called A hydroelectric power B wind energy C solar power D geothermal energy Please help
Which contraction correctly completes the sentence Some competitors able to finish the race A wasnt B werent
Why does the predator line lag behind the prey line
2 which of the following sentences is written in the passive voice a charlie ran down the street b the delicious bread is baked by mr jillin c the plane will fl
Which landform is much of northern and eastern Europe
Within each Biome how can the environment be organized into levels from complex to simple
La Patagonia pertenece solamente a Argentina Cierto False
Describe the charges of the particles in the atom and how charge is distributed within an atom
1 The audiencethe kind and famous mayor in the regent last week