question_answer

Find the sum of the given algebraic expression. \[3\,{{p}^{2}}{{q}^{2}}-4\,pq+5,\]\[6+7\,{{p}^{2}}{{q}^{2}}-8\,pq,\]\[9\,{{p}^{2}}{{q}^{2}}-10+11\,pq\]

A)  \[18\,{{p}^{2}}{{q}^{2}}-3\,pq+1\] 

B)  \[19\,{{p}^{2}}{{q}^{2}}-pq+1\]

C)  \[20\,{{p}^{2}}{{q}^{2}}-5\,pq+1\] 

D)  \[18\,{{p}^{2}}{{q}^{2}}-4\,pq+1\]

E)  None of these