caitlinesmith00
caitlinesmith00 caitlinesmith00
  • 02-04-2017
  • Mathematics
contestada

HELP - PICTURE BELOW
Can someone please explain to me how to answer this???

HELP PICTURE BELOW Can someone please explain to me how to answer this class=

Respuesta :

rahmasaleh00
rahmasaleh00 rahmasaleh00
  • 02-04-2017
find the lowest common multiple.
thus 1/[x2+x] +1/[x2-x]=x2-x+x2+x/[(x2-x)(x2+x)]
                                    =2x2/[x4-x2]
                                    =2/[x2-1]
answer is B
Answer Link

Otras preguntas

Why are trees considered to be producers? A. they do not need food to survive in an ecosystem B. they depend on consumers to help them make their food C. they g
Why did the Spanish explore and colonize New Mexico and Florida in the 1600s?
Which of the following is NOT an example of a liquid asset? a. cash c. a certificate of deposit b. travelers’ checks d. a checking account
The range of the function f(k) = k2 + 2k + 1 is {25, 64}. What is the function’s domain?
Which accurately describes a letter written during the time a historical event occurred?
What is a problem solving by following steps to draw a conclusion?
The Puritan communities in New England in the 1600s mainly emphasized
When solving a word problem, what step should you always do after reading the problem, but prior to writing the equation?
what is the historical circumstance for the third amendment?
The U.S. government openly stated that they would view any European interference in Latin America as