(a) Write four irrational numbers. (b) The product of two rational

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(a) Write four irrational numbers.
(b) The product of two rational numbers is $\frac{3}{4}$ . If one of them is $\frac{5}{6}$ , find the other number.
[2 MARKS]

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Answer: Option A
:

Each part: 1 Mark
(a) Four irrational numbers are $\sqrt{2}, \sqrt{3}, \sqrt{5}$ and $π$
(b) Let the other number be $x$ .
$\Rightarrow \frac{3}{4} = \frac{5}{6} \times x$
$\Rightarrow x = \frac{3 \times 6}{4 \times 5} = \frac{9}{10}$

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