Jawab:
a. U25= 75
b. U30= 90
c. U40= 120
Penjelasan dengan langkah-langkah:
Rumus: Un=a+(n-1)b
a. U25= 3+(25-1)3
= 3+(24)3
= 75
b. U30= 3+(30-1)3
= 3+(29)3
= 90
c. U40= a+(40-1)
= 3+(39)3
= 120
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Verified answer
Jawab:
a. U25= 75
b. U30= 90
c. U40= 120
Penjelasan dengan langkah-langkah:
Rumus: Un=a+(n-1)b
a. U25= 3+(25-1)3
= 3+(24)3
= 75
b. U30= 3+(30-1)3
= 3+(29)3
= 90
c. U40= a+(40-1)
= 3+(39)3
= 120