SOLUTION: limit as x -> 3 (2sqrt(x+1)-4)/(2x^2-x-15)

Question 1017903: limit as x -> 3
(2sqrt(x+1)-4)/(2x^2-x-15)
Found 2 solutions by Edwin McCravy, robertb:
Answer by Edwin McCravy(20056) (Show Source): You can put this solution on YOUR website!

Multiply by the conjugate of the numerator or denominator (whichever has the square root) over itself: Use FOIL on the top: Factor out common factor on top. Factor quadratic in denominator. Edwin

Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
You can also use L'Hopital's rule:
.
(The limit has the indeterminate form 0/0.)
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