If a - b = 5 and a2 + b2 = 29, find the value of ab.
Select the correct option:
A) 6	B) 8	C) 10	D) 11	E) 2
2ab = (a2 + b2) - (a - b)2   = 29 - 25= 
<gadget id="calculator">29 - 25</gadget>
<output>4</output>
4   ab= 2.   Answer: 2
<result>E</result>
If a - b = 5 and a2 + b2 = 29, find the value of ab.