A country has the following production possibility table: What\'s happening to t

Question

A country has the following production possibility table: What's happening to the trade-off between food and clothing? There is no trade-off between clothing and food The trade-off between clothing and food is constant The trade-off between clothing and food is increasing The trade-off between clothing and food is decreasing Say the country gets worse at the production of clothing What will happen to the production possibility curve? The production possibility curve: shifts in along the food axis only, shifts out along the clothing axis only, shifts in along the clothing axis only shifts out along the food axis only. Say the country gets equally worse at producing both food and clothing. What will happen to the production possibility curve? The production possibility curve: shifts out along the clothing axis only shifts in along both axes shifts out along both axes shifts out along the food axis only.

Explanation / Answer

let z be cube root of 27 i

==>z3=27i

==>z3=27ei pi/2

==>z=(27)1/3ei (pi/2 +2pi k)/3 ,k =0,1,2

==>z=3ei (pi/2 +2pi k)/3 ,k =0,1,2

z=3ei (pi/2 )/3 ,z=3ei (pi/2 +2pi )/3 ,z=3ei (pi/2 +4pi )/3

z=3ei (pi/6 ),z=3ei5pi/6 ,z=3ei 3pi/2

z=3(cospi/6 +i sinpi/6) ,z=3(cos5pi/6 +i sin5pi/6) ,z=3(cos3pi/2 +i sin3pi/2)

z=3(3 /2 +i/2 ) ,z=3(-3 /2 +i/2)  ,z=3(0-i)

z=33 /2  +i3/2 ,z=-33 /2 +i3/2   ,z=-3i

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