APA CONTOH EKSPOSUR POTENSIAL DI LINGKUNGAN SEKITAR ANDA?
Answer (3)
a ) a n + 1 − a n = d f or n = 1 a 2 − a 1 = d d = 3 − 1 = 2 − d i ff ere n ce b e tw ee n tw o co n sec u t i v e t er m s b ) a n = a 1 + ( n − 1 ) d n = 101 a 101 = 1 + ( 101 − 1 ) ∗ 2 a 101 = 1 + 100 ∗ 2 = 200 + 1 = 201 c ) S n = 2 a 1 + a n ∗ n n = 20 a n = a 20 = 1 + ( 20 − 1 ) ∗ 2 = 1 + 38 = 39 S n = 2 1 + 39 ∗ 20 = 400 S u m o f t h e f i rs t 20 n u mb ers .
The common difference d of the sequence is 2. The 101st term is 201, and the sum of the first 20 terms is 400.
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Jawaban:Benda tajamPenjelasan:dapat menyebabkan Luka jika tidak di simpan Dan di gunakan dengan hati hati terutama jika ada anak anak.
