Radithya G

16 September 2024 06:59

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Radithya G

16 September 2024 06:59

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Tolong jawab pertanyaan A dan B πŸ™πŸ™

Tolong jawab pertanyaan A dan B πŸ™πŸ™

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000000000000000000000000db649ca55312145fba1a94bb104665eecec75291 0

16 September 2024 08:01

Jawaban terverifikasi

<p>Un = a + (n-1)b + ((n-1)(n-2)C)/(2)&nbsp;</p><p><br>A. ) U_(5 ) = 3+(5-1)7+((5-1)(5-2)4)/(2)<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 3+4.7+(4.3.4)/(2)<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 3+28+24</p><p>&nbsp; &nbsp; &nbsp; &nbsp; U_(5) = 55</p><p><br>B. ) U_(10) = 3+(10-1)7+((10-1)(10-2)4)/(2)<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 3+9.7+(9.8.4)/(2)<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 3+63+144</p><p>&nbsp; &nbsp; &nbsp; &nbsp;U_(10) = 210</p>

Un = a + (n-1)b + ((n-1)(n-2)C)/(2) 


A. ) U_(5 ) = 3+(5-1)7+((5-1)(5-2)4)/(2)
                  = 3+4.7+(4.3.4)/(2)
                  = 3+28+24

        U_(5) = 55


B. ) U_(10) = 3+(10-1)7+((10-1)(10-2)4)/(2)
                    = 3+9.7+(9.8.4)/(2)
                    = 3+63+144

       U_(10) = 210

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