Express the Sum Using Summation Notation $$\sum _ { k = 2 } ^ { 5 } ( - 1 ) ^ { k + 1 } ( k - 1 ) ^ { 2 }$$

Q64: The sequence is defined recursively. Write the

Q65: Find the indicated term of the sequence.<br>-The

Q66: Evaluate the factorial expression.<br>- <span class="ql-formula"

Q67: Express the sum using summation notation.<br>-

Q68: Determine whether the sequence is geometric.<br>-4, 12,

Q70: Find the sum of the arithmetic sequence.<br>--3

Q71: Find the indicated term using the given

Q72: Evaluate the factorial expression.<br>- <span class="ql-formula"

Q73: Write out the sum. Do not

Q74: If the sequence is geometric, find