Question

3. Evaluate (x divide y) * (xy), if x=-2/5 ,y=3/4​

Answer 1

Explanation:

Here x divide y = y/x = (3/4)/2/5= 3/4*5/2= 15/8

And xy = 2/5*3/4= 6/20= 3/10

Now here (x divide y) * (xy), = 15/8*3/10= 45/80= 9/16

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Answer 2

Answer:

$\: \: \: \: \: \: \frac{x}{y} \times xy \\ = \frac{ \frac{ - 2}{5} }{ \frac{3}{4} } \times (\frac{ - 2}{5} \times \frac{3}{4} ) \\ = (\frac{ - 2 \times 4}{3 \times 5} ) \times ( \frac{ - 3}{10} ) \\ = \frac{ - 8}{15} \times \frac{ - 3}{10} \\ = \frac{ - 4}{5} \times \frac{ - 1}{5} \\ = \frac{4}{25}$

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