Answer:
8
Step-by-step explanation:
Answer:
n = 16
Step-by-step explanation:
3n + 4 = 52
subtract 4 from each side
3n+4 -4 = 52-4
3n = 48
divide by 3 on each side
3n/3 = 48/3
n = 16
N=1,
a1= 48-1*11=48-11=37
a2= 48 -2*11=48 -22=26
d= 26 -37 = -11
a(n) = a(n-1) - 11
a1=37
a(n) = a(n-1) - 11
Check:
a1=37, a2= a1-11 =37-11=26
a3= 48 -3*11=48-33=15 (using explicit formula),
and a3=a2 - 11=26 -11 =15 (the same answer)
Answer is B.
Answer:
k = 3
Step-by-step explanation:
Expanding the first term, we find 1/x at 10(kx)²(1/x)³ = 10k²/x
Expanding the first term, we find 1/x at 8*1⁷(-2/x)¹ = -16/x
Then
10k² - 16 = 74
k = 3