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svp [43]
4 years ago
7

Could anybody please help me on this one? I'm really stuck on this. 

Mathematics
1 answer:
san4es73 [151]4 years ago
7 0
( c^2 )^3 = 64 <=>(  c^2 )^3 = 4^3 <=> c^2 = 4 <=> c = 2 or c = -2.
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