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a fost răspuns

a=5 ori 2 la puterea 2n+1 + 4 la puterea n ori 3-4 la puterea n+1 PLS
DAU COROANA

Răspuns :

AndreeaLrs
A=5 x 2²ⁿ⁺¹ + 4ⁿ x 3 - 4ⁿ⁺¹
A=5 x 2²ⁿ x 2 +2²ⁿ x 3 - 2²ⁿ⁺²
A=5 x 2²ⁿ x 2 + 2²ⁿ x 3 - 2²ⁿ x 2
A= 2²ⁿ x (5x2 + 3 - 2)
A= 2²ⁿ x (10 + 3 - 2)
A=2²ⁿ x 11
Pitic107
a=5×2^2n+1+4^n×3-4^n+1
a=5×2^2n×2+2^2n×3-2^2n×2
a= 10×2^2n+3×2^2n-2×2^2n
a=2^2n (10+3-2)
a=11×2^2n