The rule of geometric sequence is ⇒⇒⇒ a * r^(n-1)
Where a is the first term and r is the common ratio
for the given sequence √5 , √10 , 2√5 , .......
a = √5
r = √10 / √5 = √2
The ninth term = √5 * (√2)^(9-1) = √5 * (√2)⁸ = 16 √5
the correct answer is the third option 16√5
H = V / B
<span>= 10x3 + 46x2 – 21x – 27 / 2x^2 + 8x - 9
</span>= 5x + 3
Answer:
x= 15
Step-by-step explanation:
4x+15=75
4x = 60
x = 15
Answer: its A, B, and D
Step-by-step explanation: