If p - q = 2 and
p2+q2=26
, find the value of pq.
Choose the correct choice from the following choices.
A) 7
B) 8
C) 9
D) 11
E) 10
Explanation:   We know   2ab=(a2+b2)âˆ’(aâˆ’b)2   2pq=26âˆ’4=22   =&gt;pq=11   Option 11
<result>D</result>
If p - q = 2 and
p2+q2=26
, find the value of pq.