5. Diketahui rumus suku ke-n suatu barisan bilangan adalah Un=3n-p. Nilai suku ke-15 barisan bilangan tersebut adalah 23. a. Tentukan nilai p dan tuliskan barisan bilangan b Tentukan nilai suku ke 30 c. Tentukan nilai n sehingga Un = 233

<p>A. &nbsp; &nbsp; UN=3n-p</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;P =3*15-U15 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;'</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =45-23</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; P= 22</p><p>&nbsp;</p><p>B. &nbsp; &nbsp; &nbsp;U 30 =330-22</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;=90-22</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =68</p><p>&nbsp;</p><p>C. &nbsp; n =<u>233+p</u></p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 3</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = <u>233+22</u></p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;3</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =<u>255</u></p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;3</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 85</p><p>&nbsp;</p><p>&nbsp;</p><p><br>&nbsp;</p>