Question

Write your question here (Keep it simple and clear to get the best answer)if x varies inversely as square of y,when x=3,y=2. find x when y=2 and y when x=8

Answer 1

Answer:

x varies inversely as square of y, so we can say x=

y

2

n

.

Given: y=2 and x=1

⇒1=

(2)

2

n

⇒(2)

2

=n

⇒n=4

So, if y=6 we have, x=

(y)

2

n

⇒x=

(6)

2

4

=

36

4

=

9

1