Объяснение:
a1 = 3 , a2 = 8 , an = 2an-2+3an-1
a1 = 3 , a2 = 8 ,
a₃ = 2a₁+3a₂=6+24=30,
a₄ = 2a₂+3a₃=16+90=106
a₅ = 2a₃+3a₄=60+3*106=378
а₆ = 2a₄+3a₅=2*+3*378=1046
a₇= 2a₅+3a₆=2*378+3*1046=3894
a₈ = 2a₆+3a₇=2*1046+3*3894=13774
a₉ = 2a₇+3a₈=2*3894+3*13774=49110
a₁₀ = 2a₈+3a₉=2*13774+3*49110=198242
a₁₁ = 2a₉+3a₁₀=2*49110+3*198242=692946
Объяснение:
a1 = 3 , a2 = 8 , an = 2an-2+3an-1
a1 = 3 , a2 = 8 ,
a₃ = 2a₁+3a₂=6+24=30,
a₄ = 2a₂+3a₃=16+90=106
a₅ = 2a₃+3a₄=60+3*106=378
а₆ = 2a₄+3a₅=2*+3*378=1046
a₇= 2a₅+3a₆=2*378+3*1046=3894
a₈ = 2a₆+3a₇=2*1046+3*3894=13774
a₉ = 2a₇+3a₈=2*3894+3*13774=49110
a₁₀ = 2a₈+3a₉=2*13774+3*49110=198242
a₁₁ = 2a₉+3a₁₀=2*49110+3*198242=692946