Lima suku pertama dari barisan bilangan dengan rumus : U n = 3×2n-¹

Jawaban

4,0/5

22

muliacahyaaulia

Ambisius

25 jawaban

2 rb orang terbantu

A. U1 = 3.1 – 4

= 3-4

= – 1

U2= 3.2 – 4

= 6-4

= 2

U3= 3.3 – 4

= 9-4

= 5

U4= 3.4 – 4

= 12-4

= 8

U5= 3.5 – 4

= 15-4

= 11

B. U1 = (1+1)

= 2

U2= (2+1)

= 3

U3= (3+1)

= 4

U4= (4+1)

= 5

U5= (5+1)

= 6

C. U1 = 2.1-1

= 2-1

= 1

U2= 2.2-1

= 4-1

= 3

U3= 2.3-1

= 6-1

= 5

U4= 2.4-1

= 8-1

= 7

U5= 2.5-1

= 10-1

= 9

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