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Uraian bentuk  adalah ...

Uraian bentuk begin mathsize 14px style sum from n equals negative 5 to 4 of 8 left parenthesis negative 2 right parenthesis to the power of n minus 1 end exponent end style adalah ...

  1. begin mathsize 14px style negative 192 plus 96 minus 48 plus 24 minus space... space minus 384 end style

  2. begin mathsize 14px style 48 minus 24 plus 12 minus 6 plus 3 minus space... space minus 384 end style

  3. size 14px 192 size 14px minus size 14px 96 size 14px plus size 14px 48 size 14px minus size 14px 24 size 14px plus size 14px space size 14px. size 14px. size 14px. size 14px space size 14px minus size 14px 384

  4. begin mathsize 14px style negative 48 plus 24 minus 12 plus 6 minus 3 minus space... space minus 384 end style

  5. begin mathsize 14px style 1 over 8 minus 1 fourth plus 1 half minus 1 plus negative space... space minus 64 end style

Jawaban:

begin mathsize 12px style table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell sum from n equals negative 5 to 4 of 8 left parenthesis negative 2 right parenthesis to the power of n minus 1 end exponent end cell row blank equals cell 8 left parenthesis negative 2 right parenthesis to the power of negative 5 minus 1 end exponent plus 8 left parenthesis negative 2 right parenthesis to the power of negative 4 minus 1 end exponent plus 8 left parenthesis negative 2 right parenthesis to the power of negative 3 minus 1 end exponent plus space... space plus 8 left parenthesis negative 2 right parenthesis to the power of 4 minus 1 end exponent end cell row blank equals cell 8 left parenthesis negative 2 right parenthesis to the power of negative 6 end exponent plus 8 left parenthesis negative 2 right parenthesis to the power of negative 5 end exponent plus 8 left parenthesis negative 2 right parenthesis to the power of negative 4 end exponent plus space... space plus 8 left parenthesis negative 2 right parenthesis cubed end cell row blank equals cell 8 cross times 1 over 64 plus 8 cross times fraction numerator 1 over denominator negative 32 end fraction plus 8 cross times 1 over 16 plus... plus 8 cross times left parenthesis negative 8 right parenthesis end cell row blank equals cell 1 over 8 minus 1 fourth plus 1 half plus... negative 64 end cell end table end style   

Jadi, jawaban yang tepat adalah E

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