If a - b = 6 and a2 + b2 = 48, find the value of ab.  Choose the correct choice from the following options:	A) 8	B) 10	C) 12	D) 6	E) 19
2ab = (a2 + b2) - (a - b)2   = 48 - 36= 
<gadget id="calculator">48 - 36</gadget>
<output>12</output>
12   ab= 6.   Answer: 6
<result>D</result>
If a - b = 6 and a2 + b2 = 48, find the value of ab.