A club house was furnished with a total of 9 coaches

There are 5 couches and 4 love seats in the club house.

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= 4n + 2

Step-by-step explanation:

There is a common difference d between consecutive terms in the sequence, that is

d = 10 - 6 = 14 - 10 = 18 - 14 = 22 - 18 = 4

This indicates the sequence is arithmetic with n th term

= a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Here a₁ = 6 and d = 4, thus

= 6 + 4(n - 1) = 6 + 4n - 4 = 4n + 2