Penjelasan dengan langkah-langkah:
beda
= u2-u1
= 3-1
= 2
un = a+(n-1)b
u10 = 1 + (10-1)2
u10 = 1 + 9(2)
u10 = 1 + 18
u10 = 19
opsi a
Jawaban:
un= a+(n-1)×beda
u10=1+(10-1)×2
=1+9×2
=1+18
=19
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Penjelasan dengan langkah-langkah:
beda
= u2-u1
= 3-1
= 2
un = a+(n-1)b
u10 = 1 + (10-1)2
u10 = 1 + 9(2)
u10 = 1 + 18
u10 = 19
opsi a
Jawaban:
un= a+(n-1)×beda
u10=1+(10-1)×2
=1+9×2
=1+18
=19