Answer:
391=a*248
Step-by-step explanation:
The coefficients corresponding to k = 0, 1, 2, ..., 5 in the
expansion of (x + y)^5 are 1, 5 , 10 , 10, 5, 1. The coefficients can be solve
using manual expansion of the term of using combination:
<span>nCr-1, where n is the power and r is the desired
therm,</span>
Answer:
Area of the smaller square is x * x, which is x^2
Area of the larger square is (x + 7)(x + 7), which is x^2 + 14x + 49
The area of the shaded area = Area of the larger square - Area of the smaller square
Area of the shaded region = x^2 + 14x + 49 - x^2
Area of the shaded region is 14x + 49.
Answer:
gotta be C
Step-by-step explanation: