Question

if a = 11 , b = 9 find ( a ^ 2 + ab + b ^ 2 ) / ( a ^ 3 - b ^ 3 )​

Answer 1

Answer:1/2

Step-by-step explanation:

(a²+b²+ab)÷(a³-b³),

(a²+b²+ab)÷(a-b)(a²+b²+ab),

1/(a-b),

now put a=11, b=9,

1/(11-9),

1/2

Answer 2

Answer:

The answer is 1/2