Question

if an=n/n+2 find a1+2a2​

Answer 1

Answer:

a¹ +2a2 = 3 + 3 = 6

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Answer 2

an = n/n+2

When n = 1 , a1 = 1/1+2 = 1/3

When n = 2, a2 = 2/2+2 = 2/4 = 1/2

a1 + 2a2 = 1/3 + 2 * 1/2

= 1/3 + 1

=(1 + 3)/3

=4/3