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y varies inversely as the square of x (a) When x=2, y=9 Find the value of y when x=3 (b) When x=n, y=p Write down an expression for y, in terms of p, when x=2n
y varies inversely as the square of x
(a) When x=2, y=9
Find the value of y when x=3
(b) When x=n, y=p
Write down an expression for y, in terms of p, when x=2n