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mixas84 [53]
3 years ago
7

27x^3-8=0 all real solutions

Mathematics
2 answers:
ipn [44]3 years ago
4 0
<span><span>1. x =(-6-√-108)/18=(-1-i√<span> 3 </span>)/3= -0.3333-0.5774i</span><span> 
2. x =(-6+√-108)/18=(-1+i√<span> 3 </span>)/3= -0.3333+0.5774i</span><span> 
3. x = 2/3 = 0.667</span></span>
Mila [183]3 years ago
4 0
We have, x^3 = 8/27;
The only real solution is x = \sqrt[3]{ \frac{8}{27} } = 2/3;
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