If a - b = 6 and a2 + b2 = 50, find the value of ab.
Choose the correct choice from the following answers:	A) A)7	B) B)12	C) C)15	D) D)18	E) E)20
Explanation:   2ab = (a2 + b2) - (a - b)2   = 50 - 36= 
<gadget id="calculator">50 - 36</gadget>
<output>14</output>
14   ab= 7.   7nswer: 7
<result>A</result>
If a - b = 6 and a2 + b2 = 50, find the value of ab.