Lesson 1, Topic 1
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2EM 1.2 Worked Example 6 (Application of Inverse Proportion)

\(x\) is indirectly proportional to the cube of \(y\). It is known that \(x=9\)for a particular value of \(y\). When the value of \(y\) is increased by \(100\)%, find

(a)

the value of \(x\).

(b)

the percentage decrease in the value of \(x\).

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