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Tentukan nilai n jika diketahui pernyataan 

F. Ayudhita

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Jawaban terverifikasi

Jawaban

berdasarkan pernyataan begin mathsize 14px style 6 P open parentheses n plus 1 , 3 close parentheses equals 7 P open parentheses n comma 3 close parentheses end style diperoleh begin mathsize 14px style n equals 20 end style.

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begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell 6 P left parenthesis n plus 1 comma 3 right parenthesis end cell equals cell 7 P left parenthesis n comma 3 right parenthesis end cell row cell 6 times fraction numerator left parenthesis n plus 1 right parenthesis factorial over denominator left parenthesis open parentheses n plus 1 close parentheses minus 3 right parenthesis factorial end fraction end cell equals cell 7 times fraction numerator n factorial over denominator left parenthesis n minus 3 right parenthesis factorial end fraction end cell row cell 6 times fraction numerator left parenthesis n plus 1 right parenthesis times n times left parenthesis n minus 1 right parenthesis times left parenthesis n minus 2 right parenthesis factorial over denominator left parenthesis n minus 2 right parenthesis factorial end fraction end cell equals cell 7 times fraction numerator n times left parenthesis n minus 1 right parenthesis times left parenthesis n minus 2 right parenthesis times left parenthesis n minus 3 right parenthesis factorial over denominator left parenthesis n minus 3 right parenthesis factorial end fraction end cell row cell 6 times left parenthesis n plus 1 right parenthesis times n times left parenthesis n minus 1 right parenthesis end cell equals cell 7 times n times left parenthesis n minus 1 right parenthesis times left parenthesis n minus 2 right parenthesis end cell row cell 6 times left parenthesis n plus 1 right parenthesis end cell equals cell 7 times left parenthesis n minus 2 right parenthesis end cell row cell 6 n plus 6 end cell equals cell 7 n minus 14 end cell row cell 6 n end cell equals cell 7 n minus 20 end cell row cell negative n end cell equals cell negative 20 end cell row n equals 20 end table end style

Jadi, berdasarkan pernyataan begin mathsize 14px style 6 P open parentheses n plus 1 , 3 close parentheses equals 7 P open parentheses n comma 3 close parentheses end style diperoleh begin mathsize 14px style n equals 20 end style.

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