Answer:
3
Step-by-step explanation:
you have to solve for x then you can find the coeeffiecnt
Answer:
4
Step-by-step explanation:
b+12 =16
-12. -12
b = 4
hope this helps
Answer:
5
alternates
Step-by-step explanation:
The series is for k = 0 to 4, so k = 0, 1, 2, 3, 4.
That is 5 terms.
-1/2 is inside the parentheses and is raised to 0, 1, 2, 3, 4.
A negative number raised to an even integer is positive.
A negative number raised to an odd integer is negative.
The sign of each term in the series alternates.
