Question

VA IMPLOR ACEST EXERCITIU REPEDE CA INTARZI LA SCOALA SI PROFA MEA DE MATE E DIRIGA VA ROOOG DAU COROANA!!!​

Answer 1

Răspuns:

= [2ⁿ(2³+2²+2+1)]/[3ⁿ(3²+2·3+1)]

=[2ⁿ(8+4+2+1)]/[3ⁿ(9+6+1)]

={2ⁿ·15)/(3ⁿ·16)

=(2ⁿ⁻¹·2·3·5)/(3ⁿ⁻¹·3·2·8)

=[(5·2ⁿ⁻¹·6)/(8·3ⁿ⁻¹·6)]⁽⁶

=(5·2ⁿ⁻¹)/(8·3ⁿ⁻¹)