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Tuliskan tujuh suku pertama barisan berikut: c. Un​=n2+1n​

Pertanyaan

Tuliskan tujuh suku pertama barisan berikut:

c. begin mathsize 14px style U subscript n equals fraction numerator n over denominator n squared plus 1 end fraction end style

H. Janatu

Master Teacher

Mahasiswa/Alumni Universitas Riau

Jawaban terverifikasi

Pembahasan

begin mathsize 14px style U subscript n equals fraction numerator n over denominator n squared plus 1 end fraction U subscript 1 equals fraction numerator 1 over denominator 1 squared plus 1 end fraction equals 1 half U subscript 2 equals fraction numerator 2 over denominator 2 squared plus 1 end fraction equals 2 over 5 U subscript 3 equals fraction numerator 3 over denominator 3 squared plus 1 end fraction equals 3 over 10 U subscript 4 equals fraction numerator 4 over denominator 4 squared plus 1 end fraction equals 4 over 17 U subscript 5 equals fraction numerator 5 over denominator 5 squared plus 1 end fraction equals 5 over 26 U subscript 6 equals fraction numerator 6 over denominator 6 squared plus 1 end fraction equals 6 over 37 U subscript 7 equals fraction numerator 7 over denominator 7 squared plus 1 end fraction equals 7 over 50  Jadi comma space barisannya space adalah space 1 half comma space 2 over 5 comma space 3 over 10 comma space 4 over 17 comma space 5 over 26 comma space 6 over 37 comma space 7 over 50 comma... end style

 

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