If x varies inversely as y3 - 1 and is equal to 3 when
y = 2, find x when y = 4.
(b) 1/3
(d) 1
(a) 1/4
(c) 1/9
Answers
Answered by
3
Answer:
1/3
Step-by-step explanation:
as x is inversely proportional to y
y³-1 = k/x
when y is 2
7 = k/3
k=21
now , take y as 4
63= 21/x
x=1/3
Answered by
0
We know ∝
Where is a constant
Given: ∝
Here
Now,
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