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Di ketahui deret aritmetika 8,14,20,26 tentukan: a.rumus suku ke n b.nilai suku ke 42

Di ketahui deret aritmetika 8,14,20,26 tentukan:

a.rumus suku ke n
b.nilai suku ke 42

Jawaban:

8 , 14 , 20 , 26 , …

 

a = 8

b = 6

 

Un = a + (n – 1) b

Un = 8 + (n – 1) 6

Un = 2 + 6n

 

U42 = 2 + 6(42) = 2 + 252 = 254

 

 

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Baca Juga :  Task 2 Practice the following dialogue with your classmate! After that, underline the pronoun found in t dialogue below! Suzy : "I don't think we've met. I'm Suzy. (hold out hand to shake)." Carl : "Hi Suzy. I'm Carl." Suzy : "Hi Carl. So, how do you know Jim?" Carl : "Oh, Jim and I used to work together at a book store." Suzy : "Oh, you mean when you were working in Japan?" Carl : "That's right. And how do you know him?" Suzy : "Actually, Jim is my cousin. Our moms are sisters." Carl : "No way! You two don't look anything alike." Task 3 Answer the questions based on the dialogue above! Have Suzy and Carl met before? 1. Answer:. How did Carl know Jim? 2. 3. 4. 5. Answer: Where has Carl and Jim worked together? Answer: Mention one expression of self introduction! Answer: Who is Jim according to Suzy? Answer: ***Ess​