Question: D Question 19 3 pts Compute the following summation: E(-1) *(9 - 4k) O -1 0 5 O -5 D Question 20 3 pts Find


D Question 19 3 pts Compute the following summation: E(-1) *(9 - 4k) O -1 0 5 O -5 D Question 20 3 pts Find the term containing a" in the following expansion: (2x - y) 10 O -80645 y O -252ary O 252x5 75 O 80645 y
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