[tex]a_4=10\cdot4^2+14=10\cdot16+14=160+14=174\\a_2=6\cdot2^2+6=6\cdot4+6=24+6=30[/tex]
Odpowiedź:
Szczegółowe wyjaśnienie:
a)
[tex]a(n) = 10n^{2} + 14\\\\\\a(4) = 10(4^{2}) + 14\\\\a(4) = 10(16) + 14\\\\a(4) = 160 + 14\\\\a(4) = 174\\\\[/tex]
b)
[tex]a(n) = 6n^{2} + 6\\\\\\a(2) = 6(2^{2}) + 6\\\\a(2) = 6(4) + 6\\\\a(2) = 24 + 6\\\\a(2) = 30\\\\[/tex]
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[tex]a_4=10\cdot4^2+14=10\cdot16+14=160+14=174\\a_2=6\cdot2^2+6=6\cdot4+6=24+6=30[/tex]
Odpowiedź:
Szczegółowe wyjaśnienie:
a)
[tex]a(n) = 10n^{2} + 14\\\\\\a(4) = 10(4^{2}) + 14\\\\a(4) = 10(16) + 14\\\\a(4) = 160 + 14\\\\a(4) = 174\\\\[/tex]
b)
[tex]a(n) = 6n^{2} + 6\\\\\\a(2) = 6(2^{2}) + 6\\\\a(2) = 6(4) + 6\\\\a(2) = 24 + 6\\\\a(2) = 30\\\\[/tex]