limx menuju 4 = x^2+3x-28/x^2+4x-32. tolong

jawab

limit bentk 0/0

limit (x - 4)(x + 7) (x - 4)(x + 8)
x-> 4

limit (x + 7)/(x +8)
x-> 4

x= 4 ,, limit = (4 +7)/(4 +8)  = 11/12