Question

Express in as a rational form[(4/2)-¹ ÷(1/4)-¹]-¹​

Answer 1

Answer:

8

Step-by-step explanation:

Given:

$(( \frac{4}{2} ) {}^{ - 1} \div ( \frac{1}{4} ) {}^{ - 1} ) {}^{ - 1} \\ = (\frac{2}{4} \div 4) {}^{ - 1} \\ = ( \frac{2}{4} \times \frac{1}{4} ) {}^{ - 1} \\ = ( \frac{1}{8} ) {}^{ - 1} \\ = 8 \: \: (ans.)$

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