Question

[(1/2)^-1-(1/3)^-1]^-1​

Answer 1

(1–1/2)* (1–1/3) * (1–1/4) * (1–1/5)

Taking LCM for all the values

((2–1)/2) * ((3–1)/3) * ((4–1)/4) * ((5–1)/5)

1/2 * 2/3 * 3/4 * 4/5

On multiplying we get ,

24/120

On simplifying we get,

2/10

1/5 (In ratio form)

0.2 (In decimal form)

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Answer 2

Step-by-step explanation:

[(1/2)^-1-(1/3)^-1]^-1

=[2-1-3]^-1

= [-2]^-1

= -1/2