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Diketahui barisan 5,2,-1,-4,.. maka suku ke 9 dari​

Diketahui barisan 5,2,-1,-4,.. maka suku ke 9 dari​

Jawaban

19

 

Penjelasan dengan langkah-langkah:

a = U1 = 5

b = 2 – 5 = -3

 

Un = a + (n – 1)b

U9 = 5 + (9 – 1)(-3)

= 5 + 8 x (-3)

= 5 – 24

= 19

 

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Baca Juga :  Every March or April Kate’s family celebrates Easter, a Christian holiday. She boils eggs and her children color them. She and her husband hide them in the garden. After a special meal for lunch, they have an Easter egg hunt. The children look everywhere and compete to find the most eggs. Change the reading above into the Present Continuous tense.