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Nilai dari C ( 10 , 2 ) + C ( 4 , 2 ) + C ( 7 , 3 ) − 2 P ( 5 , 5 ) adalah ....

Nilai dari  adalah ....

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P. Afrisno

Master Teacher

Mahasiswa/Alumni Universitas Sebelas Maret

Jawaban terverifikasi

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tidak ada jawaban yang benar.

tidak ada jawaban yang benar.

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Pembahasan

Diketahui bahwa, Sehingga dapat ditentukan: Jadi, tidak ada jawaban yang benar.

Diketahui bahwa, 

table attributes columnalign right center left columnspacing 0px end attributes row cell straight C left parenthesis n comma r right parenthesis end cell equals cell fraction numerator n factorial over denominator left parenthesis n minus r right parenthesis factorial r factorial end fraction end cell row cell straight P left parenthesis n comma n right parenthesis end cell equals cell n factorial end cell end table 

Sehingga dapat ditentukan:

table attributes columnalign right center left columnspacing 0px end attributes row m equals cell straight C left parenthesis 10 comma 2 right parenthesis plus straight C left parenthesis 4 comma 2 right parenthesis plus straight C left parenthesis 7 comma 3 right parenthesis minus 2 straight P open parentheses 5 comma 5 close parentheses end cell row blank equals cell fraction numerator 10 factorial over denominator 8 factorial 2 factorial end fraction plus fraction numerator 4 factorial over denominator 2 factorial 2 factorial end fraction plus fraction numerator 7 factorial over denominator 4 factorial 3 factorial end fraction minus 2 times 5 factorial end cell row blank equals cell fraction numerator 10 times 9 times up diagonal strike 8 factorial end strike over denominator up diagonal strike 8 factorial end strike 2 factorial end fraction plus fraction numerator 4 times 3 times up diagonal strike 2 factorial end strike over denominator up diagonal strike 2 factorial end strike 2 factorial end fraction plus fraction numerator 7 times 6 times 5 times up diagonal strike 4 factorial end strike over denominator up diagonal strike 4 factorial end strike 3 factorial end fraction minus 2 times 5 times 4 times 3 times 2 times 1 end cell row blank equals cell 90 over 2 plus 12 over 2 plus 210 over 6 minus 240 end cell row blank equals cell 45 plus 6 plus 35 minus 240 end cell row blank equals cell negative 154 end cell end table  

Jadi, tidak ada jawaban yang benar.

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