1.find the derivative of y=3n³-2
2.find the value of n,given that n 1,2n,2n 3 are consecutive terms of a linear sequence?
1. use the power rule: y' = 9n^2
2. Not sure what "2n 3" means
In any case, you know that the difference between terms remains the same, so, since the difference between the first two terms is 2n-1, find the value of n that makes the next difference the same.