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Himpunan  dan  beririsan. Banyak anggota  dan ,  dan . Anggota irisan  dan  sebanyak .  adalah himpunan selain .

Pertanyaan

Himpunan straight A dan straight B beririsan. Banyak anggota straight A dan straight Bstraight n open parentheses straight A close parentheses equals 12 dan straight n open parentheses straight B close parentheses equals 17. Anggota irisan straight A dan straight B sebanyak 5straight A to the power of straight C adalah himpunan selain straight Astraight n open parentheses straight A to the power of straight C intersection straight B close parentheses plus straight n open parentheses straight A intersection straight B to the power of straight C close parentheses equals... 

Pembahasan Soal:

Diketahui straight n open parentheses straight A close parentheses equals 12straight n open parentheses straight B close parentheses equals 17 dan straight n open parentheses straight A intersection straight B close parentheses equals 5, maka

table attributes columnalign right center left columnspacing 0px end attributes row cell straight n open parentheses straight A to the power of straight C intersection straight B close parentheses end cell equals cell straight n open parentheses straight B close parentheses minus straight n open parentheses straight A intersection straight B close parentheses end cell row blank equals cell 17 minus 5 end cell row blank equals 12 row blank blank blank row cell straight n open parentheses straight A intersection straight B to the power of straight C close parentheses end cell equals cell straight n open parentheses straight A close parentheses minus straight n open parentheses straight A intersection straight B close parentheses end cell row blank equals cell 12 minus 5 end cell row blank equals 7 end table 

Sehingga 

table attributes columnalign right center left columnspacing 0px end attributes row cell straight n open parentheses straight A to the power of straight C intersection straight B close parentheses plus straight n open parentheses straight A intersection straight B to the power of straight C close parentheses end cell equals cell 12 plus 7 end cell row blank equals 19 end table 

Dengan demikian, straight n open parentheses straight A to the power of straight C intersection straight B close parentheses plus straight n open parentheses straight A intersection straight B to the power of straight C close parentheses equals 19

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 05 Mei 2021

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