Question

2la puterea n +2 la puterea n +puterea 2
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Answer 1

2^n + 2^(n+2) = 2^n × (1 + 2^2) = 2^n × (1 + 4) = 5 × 2^n

Answer 2

Răspuns:

${2}^{n} + {2}^{n + 2}$

${2}^{n} + {2}^{n} \times {2}^{2} = {2}^{n} (1 + {2}^{2} )$

$= {2}^{n} \times 5$