Question

o primeoro termo da P.A é -12, a razão é 5. o 10° termo é


obs:preciso urgente me ajudem por favor
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Answer 1

Explicação passo-a-passo:

$</strong><strong>a_</strong><strong>{n} = </strong><strong>a_</strong><strong>{</strong><strong>1</strong><strong>}</strong><strong> + (n - 1) \times r \\ </strong><strong>a_</strong><strong>{10} = - 12 + (10 - 1) \times 5 \\ </strong><strong>a_</strong><strong>{10} = - 12 + 9 \times 5 \\ </strong><strong>a_</strong><strong>{10} = - 12 + 45 \\ \\ \red{</strong><strong>\</strong><strong>r</strong><strong>m</strong><strong>~</strong><strong>~</strong><strong>~</strong><strong>{</strong><strong>\boxed{ \boxed{</strong><strong>a_</strong><strong>{10} = 33}}}</strong><strong>}</strong><strong>$

espero ter ajudado :)