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-4la puterea n×(+12)la puterea n=(-48)la puterea a 3 a

Răspuns :

-4ⁿ×(+12)ⁿ=(-48)³
-4ⁿ×4ⁿ×3ⁿ=-48³
2²ⁿ×2²ⁿ×3ⁿ=(2⁴×3)³
2⁴ⁿ×3ⁿ=(2⁴×3)³
2⁴ⁿ×3ⁿ=2¹²×3³
4n=12
n=3