SOLUTION: X+3;2x+6;3x+9;.....determine the 10th term in terms of x and determine the nth tern in terms of x

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Question 843550: X+3;2x+6;3x+9;.....determine the 10th term in terms of x and determine the nth tern in terms of x
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

X+3,2x+6,3x+9.....

arithmetic  d = x+3

a%5Bn%5D=a%5B1%5D%2B%28n-1%29%2Ad

a%5Bn%5D=+%28x%2B3%29%2B%28n-1%29%2A%28x%2B3%29

a%5B10%5D=+%28x%2B3%29%2B%289%29%2A%28x%2B3%29=+10x+%2B+30