SpeedyGonzalez SpeedyGonzalez

12-06-2017
Mathematics

contestada

Simplify the rational expression. Find all numbers that must be excluded from the domain of the simplified rational expression.

Simplify the rational expression Find all numbers that must be excluded from the domain of the simplified rational expression class=

Respuesta :

mreijepatmat mreijepatmat

12-06-2017

N/D =(x²+4x+4)/(x² - 4)

N= x²+4x+4 = (x+2)²
D = x²-4 =(x-2)(x+2)

N/D = (x+2)²/(x-2)(x+2); simplify by (x+2)

N/D = (x+2)/(x-2)

Domain of x ={x∈R≠3} ; in short x =( -2) should be excluded

Answer Link

Otras preguntas

Which of the following statements regarding enzymes is FALSE? a. Enzymes alter the free energy change (ΔG) of the reactions which they catalyze. b. Enzyme funct

PLEASEEEE HELP PLEASEEEEEEE Given that lines a and b are parallel, angles 1 and 5 are congruent because they are _____________ angles, and angles 1 and 4 are co

Write an equation of the line passing through point P(4, 0) that is parallel to the line −x+2y = 12

If there are 60 books in the college library. In how many ways will these books be arranged on the shelves if 3 of the books are taken at a time with order of a

Aspect of the physical world

what equation is equivalent to (72+9)

PLEASE HELP!!!!!!!!!!!!!!

Graph 6 tan 1/2 Ø (algebra)

(6) (-2a)? x 64 = How do I work this out

If the function graphed is f(x), find f(1)