Roboguru

Lima angka berikutnya dari barisan bilangan adalah ....

Pertanyaan

Lima angka berikutnya dari barisan bilangan begin mathsize 14px style 10 comma space 8 comma space 6 comma space 4 comma space... end styleadalah .... undefined 

Pembahasan Soal:

10 comma space 8 comma space 6 comma space 4 comma space...

table attributes columnalign right center left columnspacing 0px end attributes row straight a equals 10 row straight b equals cell straight U subscript straight n minus straight U subscript straight n minus 1 end subscript end cell row blank equals cell straight U subscript 2 minus straight U subscript 1 end cell row blank equals cell 8 minus 10 end cell row blank equals cell negative 2 end cell end table

Maka straight U subscript 5 comma space straight U subscript 6 comma space straight U subscript 7 comma space straight U subscript 8 comma space dan space straight U subscript 9:

table attributes columnalign right center left columnspacing 0px end attributes row cell straight U subscript n end cell equals cell straight a plus left parenthesis n minus 1 right parenthesis. straight b end cell row cell straight U subscript 5 end cell equals cell 10 plus left parenthesis 5 minus 1 right parenthesis. left parenthesis negative 2 right parenthesis end cell row blank equals cell 10 plus left parenthesis 4 right parenthesis. left parenthesis negative 2 right parenthesis end cell row blank equals cell 10 plus left parenthesis negative 8 right parenthesis end cell row blank equals 2 row cell straight U subscript 6 end cell equals cell 10 plus plus left parenthesis 6 minus 1 right parenthesis times left parenthesis negative 2 right parenthesis end cell row blank equals cell 10 plus left parenthesis 5 right parenthesis. left parenthesis negative 2 right parenthesis end cell row blank equals cell 10 plus left parenthesis negative 10 right parenthesis end cell row blank equals 0 row cell straight U subscript 7 end cell equals cell 10 plus left parenthesis 7 minus 1 right parenthesis. left parenthesis negative 2 right parenthesis end cell row blank equals cell 10 plus left parenthesis 6 right parenthesis. left parenthesis negative 2 right parenthesis end cell row blank equals cell 10 plus left parenthesis negative 12 right parenthesis end cell row blank equals cell negative 2 end cell row cell straight U subscript 8 end cell equals cell 10 plus left parenthesis 8 minus 1 right parenthesis. left parenthesis negative 2 right parenthesis end cell row blank equals cell 10 plus left parenthesis 7 right parenthesis. left parenthesis negative 2 right parenthesis end cell row blank equals cell 10 plus left parenthesis negative 14 right parenthesis end cell row blank equals cell negative 4 end cell row cell straight U subscript 9 end cell equals cell 10 plus left parenthesis 9 minus 1 right parenthesis. left parenthesis negative 2 right parenthesis end cell row blank equals cell 10 plus left parenthesis 8 right parenthesis. left parenthesis negative 2 right parenthesis end cell row blank equals cell 10 plus left parenthesis negative 16 right parenthesis end cell row blank equals cell negative 6 end cell end table

Jadi, lima angka berikutnya dari barisan bilangan 10 comma space 8 comma space 6 comma space 4 comma space... adalah 2 comma space 0 comma space minus 2 comma space minus 4 comma space minus 6.

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 19 Juli 2021

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