Write the Sum $- 2 x + 4 x ^ { 2 } - 6 x ^ { 3 } + 8 x ^ { 4 } - 10 x ^ { 5 } + \cdots - 98 x ^ { 49 }$

Q41: Find the amount of an annuity that

Q42: Find the partial sum <span

Q43: Simplify using the Binomial Theorem.

Q44: Given that the <span class="ql-formula"

Q45: Find the first three terms in

Q47: Determine whether the sequence <span

Q48: Determine the common ratio, the fifth,

Q49: Dr. Stevens is considering a 30-year mortgage

Q50: A large outdoor amphitheater has

Q51: How much money must be invested