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Pertanyaan

Nilai =...

Nilai size 14px sum from size 14px a size 14px equals size 14px 7 to 12 of size 14px left parenthesis size 14px a to the power of size 14px 2 size 14px plus size 14px 4 size 14px right parenthesis size 14px minus size 14px sum from size 14px a size 14px equals size 14px 1 to size 14px 6 of size 14px left parenthesis size 14px a to the power of size 14px 2 size 14px plus size 14px 4 size 14px a size 14px minus size 14px 5 size 14px right parenthesis =...

  1. 318

  2. 380

  3. 408

  4. 438

  5. 481

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M. Mariyam

Master Teacher

Mahasiswa/Alumni Institut Pertanian Bogor

Jawaban terverifikasi

Jawaban

jawaban yang tepat adalah D.

jawaban yang tepat adalah D.

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Jadi, jawaban yang tepat adalah D.

begin mathsize 14px style sum from a equals 7 to 12 of open parentheses a squared plus 4 close parentheses minus sum from a equals 1 to 6 of open parentheses a squared plus 4 a minus 5 close parentheses equals sum from a equals 7 minus 6 to 12 minus 6 of open parentheses open parentheses a plus 6 close parentheses squared plus 4 close parentheses minus sum from a equals 1 to 6 of open parentheses a squared plus 4 a minus 5 close parentheses equals sum from a equals 1 to 6 of open parentheses a squared plus 12 a plus 36 plus 4 minus a squared minus 4 a plus 5 close parentheses equals sum from a equals 1 to 6 of left parenthesis 8 a plus 45 right parenthesis equals sum from a equals 1 to 6 of 8 a plus sum from a equals 1 to 6 of 45 equals 8 sum from a equals 1 to 6 of a plus sum from a equals 1 to 6 of 45 equals 8 left parenthesis 1 plus 2 plus 3 plus 4 plus 5 plus 6 right parenthesis plus 6 cross times 45 equals 8 cross times 21 plus 270 equals 168 plus 270 equals 438 end style 

Jadi, jawaban yang tepat adalah D.

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Buktikan bahwa: i = 1 ∑ ​ 48 ​ ( 2 i + 5 ) + i = 60 ∑ ​ n + 9 ​ ( 2 i − 17 ) = i = 3 ∑ ​ n ​ ( 2 i + 1 )

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