Answer:
(x+2)^3=x^3-6x^2+12x-8
Step-by-step explanation:
Step-by-step explanation:
Note that
Therefore,
Answer:
46
Step-by-step explanation:
Answer:
32760
Step-by-step explanation:
This is a permutation of 15 objects taken 4 at a time. To calculate this, we use the formula:
In our case, n is 15 and r is 4: