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can someone show me the steps solving this inequality? 2a^3+2>0

Mathematics
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2a^3>-2 a^3>-1
a>-1
but answer on the solution book is a<-1..... and i don't know y...

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Other answers:

oh, hmm i actually forget too about this square root. i'll try to ask that
thx;]
a^3>-1 is implying a<-1 and not greater than.. you can verify it by putting the values of positive integers..
akshay can you help me to explain what is values of positive integers?
may be there's sth wrong on the solution bk,,,i'll ask my teacher tmr,,,,,thx...
okay, your welcome :) anyway, you can see the answer in my question too
ya ,i'll
for positive integers it is the other wway round.. the sign doesn't change for positive cubes. you can verify it again :)

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