diketahui deret: 13+16+19+... tentukan jumlah 40 suku pertama deret tersebut
Jawaban:
Sn=n/2(2a+(n-1)b)
S40=40/2(2.13)+(40-1)3)
S40=20.(26+117)
S40=20.143
S40=2.860
[answer.2.content]101 The New Crepes Cookbook: 101 Sweet & Savory Crepe Recipes, from Traditional to Gluten-Free,
101 The New Crepes Cookbook: 101 Sweet & Savory Crepe Recipes, from Traditional to Gluten-Free,
Jawaban:
Sn=n/2(2a+(n-1)b)
S40=40/2(2.13)+(40-1)3)
S40=20.(26+117)
S40=20.143
S40=2.860
[answer.2.content]