Respuesta :

mlarsen5000

Answer:

(a) 1/(3²-3)=1/(9-3)=1/6

(b) 1/(h²+4h+1)

Step-by-step explanation:

(a) 1/(3²-3)=1/(9-3)=1/6

(b) 1/((2+h)²-3)

1/(4+4h+h2-3

1/(h²+4h+1)