radomes.openskiesproject.org
sara2444 sara2444
  • 08-02-2017
  • Mathematics
Answered

How to find the limit of that question

How to find the limit of that question class=

Verified Answer :

wizard123
wizard123 wizard123
  • 08-02-2017

Factor the numerator using difference of cubes:
\(a^3 - b^3 = (a-b)(a^2 +ab+b^2)\)
a = x
b = 2

\(\frac{x^3 - 8}{x-2} = \frac{(x-2)(x^2 +2x+4)}{x-2} = x^2 +2x+4\)

Now you can evaluate limit as x=2.
\(\lim_{x \to 2} (x^2 +2x+4) = 2^2 +2(2)+4 = 12\)

Answer Link

Related Questions

what feature is common to prokaryotic and eukaryotic cells
List three cardinal rules of bookkeeping
How can speciation of plants benefit humans
What did we say to each other that now we are as the deer who walk in single file with heads high with ears forward with eyes watchful with hooves always placed
212514396705 estimate
Evaluate the expression: $4 \times(-8)+6-(-2)^3$
what is the main way the judicial branch checks the powers of the other two branches
What is the value of x in the equation 3x 19y 18 when y 271
Select all that apply which of the following qualities do responsible adults posses reliability or punctuality or patience or friendliness
What does 3 squared equal