Question

how to find the 53rd derivative of y= -cosx

Answer 1

Answer:

Find the common difference.

You have to be creative in finding the common difference for these types of problems.

Step-by-step explanation:

a.Use the formula an = a1 + (n – 1)d to set up two equations that use the given information.

For the first equation, you know that when n = 4, an = –23:

–23 = a1 + (4 – 1)d

–23 = a1 + 3d

For the second equation, you know that when n = 22, an = 40:

40 = a1 + (22 – 1)d

40 = a1 + 21d