contestada

Find a formula for the nth term of the sequence:
A) (1x3), (2x4), (3x5) ...
B) 1/2, 2/3, 3/4, 4/5 ...
C) 5/1², 5/2², 5/3², 5/4² ...
D) 3/1, 4/2, 5/3, 6/4

Respuesta :

Answer:

Step-by-step explanation:

A)

(1×3),(2×4),(3×5),...,(n×(n+2))

B)

1/2,2/3,3/4,4/5,...,n/(n+1)

C)

5/1²,5/2²,5/3²,5/4²,...,5/n²

D)

3/1,4/2,5/3,5/4,...,(n+2)/n